chore(deps): update dependency pytest-xdist to v3 (#116)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [pytest-xdist](https://togithub.com/pytest-dev/pytest-xdist)
([changelog](https://pytest-xdist.readthedocs.io/en/latest/changelog.html))
| `==2.5.0` -> `==3.3.1` |
[![age](https://badges.renovateapi.com/packages/pypi/pytest-xdist/3.3.1/age-slim)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://badges.renovateapi.com/packages/pypi/pytest-xdist/3.3.1/adoption-slim)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://badges.renovateapi.com/packages/pypi/pytest-xdist/3.3.1/compatibility-slim/2.5.0)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://badges.renovateapi.com/packages/pypi/pytest-xdist/3.3.1/confidence-slim/2.5.0)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>pytest-dev/pytest-xdist</summary>

###
[`v3.3.1`](https://togithub.com/pytest-dev/pytest-xdist/blob/HEAD/CHANGELOG.rst#pytest-xdist-331-2023-05-19)

[Compare
Source](https://togithub.com/pytest-dev/pytest-xdist/compare/v3.3.0...v3.3.1)

\===============================

## Bug Fixes

- `#&#8203;907
<https://github.com/pytest-dev/pytest-xdist/issues/907>`\_: Avoid remote
calls during startup as `execnet` by default does not ensure remote
affinity with the
main thread and might accidentally schedule the pytest worker into a
non-main thread, which breaks numerous frameworks,
    for example `asyncio`, `anyio`, `PyQt/PySide`, etc.

A more safe correction will require thread affinity in `execnet`
(`pytest-dev/execnet#&#8203;96
<https://github.com/pytest-dev/execnet/issues/96>`\__).

###
[`v3.3.0`](https://togithub.com/pytest-dev/pytest-xdist/blob/HEAD/CHANGELOG.rst#pytest-xdist-330-2023-05-12)

[Compare
Source](https://togithub.com/pytest-dev/pytest-xdist/compare/v3.2.1...v3.3.0)

\===============================

## Features

- `#&#8203;555
<https://github.com/pytest-dev/pytest-xdist/issues/555>`\_: Improved
progress output when collecting nodes to be less verbose.

###
[`v3.2.1`](https://togithub.com/pytest-dev/pytest-xdist/blob/HEAD/CHANGELOG.rst#pytest-xdist-321-2023-03-12)

[Compare
Source](https://togithub.com/pytest-dev/pytest-xdist/compare/v3.2.0...v3.2.1)

\===============================

## Bug Fixes

- `#&#8203;884
<https://github.com/pytest-dev/pytest-xdist/issues/884>`\_: Fixed hang
in `worksteal` scheduler.

###
[`v3.2.0`](https://togithub.com/pytest-dev/pytest-xdist/blob/HEAD/CHANGELOG.rst#pytest-xdist-320-2023-02-07)

[Compare
Source](https://togithub.com/pytest-dev/pytest-xdist/compare/v3.1.0...v3.2.0)

\===============================

## Improved Documentation

- `#&#8203;863
<https://github.com/pytest-dev/pytest-xdist/issues/863>`\_: Document
limitations for debugging due to standard I/O of workers not being
forwarded. Also, mention remote debugging as a possible workaround.

## Features

- `#&#8203;855
<https://github.com/pytest-dev/pytest-xdist/issues/855>`\_: Users can
now configure `load` scheduling precision using `--maxschedchunk`
command
    line option.

- `#&#8203;858
<https://github.com/pytest-dev/pytest-xdist/issues/858>`*: New
`worksteal` scheduler, based on the idea of `work stealing
<https://en.wikipedia.org/wiki/Work_stealing>`*. It's similar to `load`
scheduler, but it should handle tests with significantly differing
duration better, and, at the same time, it should provide similar or
better reuse of fixtures.

## Trivial Changes

- `#&#8203;870
<https://github.com/pytest-dev/pytest-xdist/issues/870>`\_: Make the
tests pass even when `$PYTEST_XDIST_AUTO_NUM_WORKERS` is set.

###
[`v3.1.0`](https://togithub.com/pytest-dev/pytest-xdist/blob/HEAD/CHANGELOG.rst#pytest-xdist-310-2022-12-01)

[Compare
Source](https://togithub.com/pytest-dev/pytest-xdist/compare/v3.0.2...v3.1.0)

\===============================

## Features

- `#&#8203;789
<https://github.com/pytest-dev/pytest-xdist/issues/789>`\_: Users can
now set a default distribution mode in their configuration file:

    .. code-block:: ini

        [pytest]
        addopts = --dist loadscope

- `#&#8203;842
<https://github.com/pytest-dev/pytest-xdist/issues/842>`\_: Python 3.11
is now officially supported.

## Removals

- `#&#8203;842
<https://github.com/pytest-dev/pytest-xdist/issues/842>`\_: Python 3.6
is no longer supported.

###
[`v3.0.2`](https://togithub.com/pytest-dev/pytest-xdist/blob/HEAD/CHANGELOG.rst#pytest-xdist-302-2022-10-25)

[Compare
Source](https://togithub.com/pytest-dev/pytest-xdist/compare/v2.5.0...v3.0.2)

\===============================

## Bug Fixes

- `#&#8203;813
<https://github.com/pytest-dev/pytest-xdist/issues/813>`\_: Cancel
shutdown when a crashed worker is restarted.

## Deprecations

- `#&#8203;825
<https://github.com/pytest-dev/pytest-xdist/issues/825>`\_: The
`--rsyncdir` command line argument and `rsyncdirs` config variable are
deprecated.

    The rsync feature will be removed in pytest-xdist 4.0.

- `#&#8203;826
<https://github.com/pytest-dev/pytest-xdist/issues/826>`\_: The
`--looponfail` command line argument and `looponfailroots` config
variable are deprecated.

    The loop-on-fail feature will be removed in pytest-xdist 4.0.

## Improved Documentation

- `#&#8203;791
<https://github.com/pytest-dev/pytest-xdist/issues/791>`\_: Document the
`pytest_xdist_auto_num_workers` hook.

- `#&#8203;796
<https://github.com/pytest-dev/pytest-xdist/issues/796>`\_: Added known
limitations section to documentation.

- `#&#8203;829
<https://github.com/pytest-dev/pytest-xdist/issues/829>`\_: Document the
`-n logical` option.

## Features

- `#&#8203;792
<https://github.com/pytest-dev/pytest-xdist/issues/792>`\_: The
environment variable `PYTEST_XDIST_AUTO_NUM_WORKERS` can now be used to
    specify the default for `-n auto` and `-n logical`.

- `#&#8203;812
<https://github.com/pytest-dev/pytest-xdist/issues/812>`\_: Partially
restore old initial batch distribution algorithm in `LoadScheduling`.

pytest orders tests for optimal sequential execution - i. e. avoiding
unnecessary setup and teardown of fixtures. So executing tests in
consecutive
    chunks is important for optimal performance.

In v1.14, initial test distribution in `LoadScheduling` was changed to
round-robin, optimized for the corner case, when the number of tests is
less
than `2 * number of nodes`. At the same time, it became worse for all
other
    cases.

For example: if some tests use some "heavy" fixture, and these tests fit
into
the initial batch, with round-robin distribution the fixture will be
created
`min(n_tests, n_workers)` times, no matter how many other tests there
are.

With the old algorithm (before v1.14), if there are enough tests not
using
    the fixture, the fixture was created only once.

So restore the old behavior for typical cases where the number of tests
is
much greater than the number of workers (or, strictly speaking, when
there
    are at least 2 tests for every node).

## Removals

- `#&#8203;468
<https://github.com/pytest-dev/pytest-xdist/issues/468>`\_: The
`--boxed` command-line option has been removed. If you still need this
functionality, install `pytest-forked
<https://pypi.org/project/pytest-forked>`\__ separately.

## Trivial Changes

- `#&#8203;468
<https://github.com/pytest-dev/pytest-xdist/issues/468>`\_: The `py`
dependency has been dropped.

- `#&#8203;822
<https://github.com/pytest-dev/pytest-xdist/issues/822>`\_: Replace
internal usage of `py.log` with a custom solution (but with the same
interface).

- `#&#8203;823
<https://github.com/pytest-dev/pytest-xdist/issues/823>`\_: Remove usage
of `py._pydir` as an rsync candidate.

- `#&#8203;824
<https://github.com/pytest-dev/pytest-xdist/issues/824>`\_: Replace
internal usages of `py.path.local` by `pathlib.Path`.

</details>

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integration-tests/requirements.txt

@@ -1,5 +1,5 @@
 delegator.py==0.1.1
 pytest==7.3.1
-pytest-xdist==2.5.0
+pytest-xdist==3.3.1
 pytest-repeat==0.9.1
 filelock==3.12.0