Add test-report workflow

[milesgranger]

• Will close Setup unit test overview and test report #10732
• Tests added / passed
• Passes pre-commit run --all-files

Checks out the distributed repo, and runs the test_report.py script to generate the report for dask/dask.

Depends on dask/distributed#8450

[milesgranger]

Tested on my fork:
milesgranger#3

Successful deployment workflow:
https://github.com/milesgranger/dask/actions/runs/7524967710/job/20480569721

And resulting page:
https://milesgranger.github.io/dask/test_report.html

[github-actions]

Unit Test Results

See test report for an extended history of previous test failures. This is useful for diagnosing flaky tests.

     15 files  ± 0       15 suites  ±0   3h 23m 10s ⏱️ - 6m 46s
 12 894 tests + 1   11 496 ✅ +574     929 💤  -   3  469 ❌  - 570 
159 765 runs   - 11  142 389 ✅ +241  16 907 💤 +318  469 ❌  - 570 

For more details on these failures, see this check.

Results for commit be8c2f2. ± Comparison against base commit b934d2d.

This pull request removes 21 and adds 22 tests. Note that renamed tests count towards both.

dask.dataframe.tests.test_dataframe ‑ test_map_freq_to_period_start[2BA-2BAS-None]
dask.dataframe.tests.test_dataframe ‑ test_map_freq_to_period_start[2BQ-2BQS-None]
dask.dataframe.tests.test_dataframe ‑ test_map_freq_to_period_start[2M-2MS-None]
dask.dataframe.tests.test_dataframe ‑ test_map_freq_to_period_start[2Q-2QS-None]
dask.dataframe.tests.test_dataframe ‑ test_map_freq_to_period_start[2Q-FEB-2QS-FEB-None]
dask.dataframe.tests.test_dataframe ‑ test_map_freq_to_period_start[2QS-FEB-2QS-FEB-None]
dask.dataframe.tests.test_dataframe ‑ test_map_freq_to_period_start[A-AS-None]
dask.dataframe.tests.test_dataframe ‑ test_map_freq_to_period_start[A-JUN-AS-JUN-None0]
dask.dataframe.tests.test_dataframe ‑ test_map_freq_to_period_start[A-JUN-AS-JUN-None1]
dask.dataframe.tests.test_dataframe ‑ test_map_freq_to_period_start[BA-BAS-None]
…

dask.dataframe.tests.test_dataframe ‑ test_map_freq_to_period_start[2BA-2BAS]
dask.dataframe.tests.test_dataframe ‑ test_map_freq_to_period_start[2BQ-2BQS]
dask.dataframe.tests.test_dataframe ‑ test_map_freq_to_period_start[2M-2MS]
dask.dataframe.tests.test_dataframe ‑ test_map_freq_to_period_start[2Q-2QS]
dask.dataframe.tests.test_dataframe ‑ test_map_freq_to_period_start[2Q-FEB-2QS-FEB]
dask.dataframe.tests.test_dataframe ‑ test_map_freq_to_period_start[2QS-FEB-2QS-FEB]
dask.dataframe.tests.test_dataframe ‑ test_map_freq_to_period_start[A-AS]
dask.dataframe.tests.test_dataframe ‑ test_map_freq_to_period_start[A-JUN-AS-JUN0]
dask.dataframe.tests.test_dataframe ‑ test_map_freq_to_period_start[A-JUN-AS-JUN1]
dask.dataframe.tests.test_dataframe ‑ test_map_freq_to_period_start[BA-BAS]
…

[crusaderky]

Mostly nits

[crusaderky]

XREF dask/distributed#8462