ci: improve macrobenchmarks [backport 2.8]

[gnufede]

Improve macrobenchmarks by using the new BP_ENDPOINT env var to set the endpoint to test. See
https://github.com/DataDog/benchmarking-platform/pull/68

This way we can add worst case scenarios for AppSec and IAST, added in the PR as well.

Checklist

• Change(s) are motivated and described in the PR description
• Testing strategy is described if automated tests are not included in the PR
• Risks are described (performance impact, potential for breakage, maintainability)
• Change is maintainable (easy to change, telemetry, documentation)
• Library release note guidelines are followed or label changelog/no-changelog is set
• Documentation is included (in-code, generated user docs, public corp docs)
• Backport labels are set (if applicable)
• If this PR changes the public interface, I've notified @DataDog/apm-tees.

Reviewer Checklist

• Title is accurate
• All changes are related to the pull request's stated goal
• Description motivates each change
• Avoids breaking API changes
• Testing strategy adequately addresses listed risks
• Change is maintainable (easy to change, telemetry, documentation)
• Release note makes sense to a user of the library
• Author has acknowledged and discussed the performance implications of this PR as reported in the benchmarks PR comment
• Backport labels are set in a manner that is consistent with the release branch maintenance
  policy

(cherry picked from commit ec61873)

[datadog-dd-trace-py-rkomorn]

Datadog Report

Branch report: backport-9536-to-2.8
Commit report: 384d4b1
Test service: dd-trace-py

❌ 1 Failed (0 Known Flaky), 15556 Passed, 155583 Skipped, 5h 35m 4.3s Total duration (1h 43m 29.96s time saved)

❌ Failed Tests (1)

• test_get_distributions - test_packages.py - Details

  Expand for error

   assert {'attrs', 'by...ddtrace', ...} == {'attrs', 'by...ddtrace', ...}
     Extra items in the left set:
     'importlib-metadata'
     Extra items in the right set:
     'importlib_metadata'
     Full diff:
       {
        'attrs',
        'bytecode',
        'cattrs',
   ...
  

[pr-commenter]

Benchmarks

Benchmark execution time: 2024-06-17 09:14:23

Comparing candidate commit 384d4b1 in PR branch backport-9536-to-2.8 with baseline commit 4995685 in branch 2.8.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 201 metrics, 9 unstable metrics.

[gnufede]

Blocked on #9568