chore(crashtracking): enable wait_for_receiver field to be configured via env var [backport 2.11]

[github-actions]

Backport bb82a8e from #10233 to 2.11.

Change Overview

This PR enables the wait_for_receiver field to be set via DD_CRASHTRACKING_WAIT_FOR_RECEIVER environment variable. If unset, the default is true.

Motivation

System-tests for crashtracking exposed that the Python crashtracker needs the wait_for_receiver field to be set to true to capture crashes and reliably send telemetry events to the agent. While set to false, telemetry events for crashes would work very rarely. When set to true, this would become reliably consistent.

The value for wait_for_receiver is unset in libdatadog, which means it is set to false by default. This default needs to be updated on the libdatadog end. However, in order to unblock crashtracking functionality for dd-trace-py, we are also enabling this to be configured on the dd-trace-py side as well.

Checklist

• PR author has checked that all the criteria below are met
• The PR description includes an overview of the change
• The PR description articulates the motivation for the change
• The change includes tests OR the PR description describes a testing strategy
• The PR description notes risks associated with the change, if any
• Newly-added code is easy to change
• The change follows the library release note guidelines
• The change includes or references documentation updates if necessary
• Backport labels are set (if applicable)

Reviewer Checklist

• Reviewer has checked that all the criteria below are met
• Title is accurate
• All changes are related to the pull request's stated goal
• Avoids breaking API changes
• Testing strategy adequately addresses listed risks
• Newly-added code is easy to change
• Release note makes sense to a user of the library
• If necessary, 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

[datadog-dd-trace-py-rkomorn]

Datadog Report

Branch report: backport-10233-to-2.11
Commit report: 9d59731
Test service: dd-trace-py

✅ 0 Failed, 146102 Passed, 32044 Skipped, 8h 9m 56.11s Total duration (1m 22.51s time saved)
⌛ 1 Performance Regression

⌛ Performance Regressions vs Default Branch (1)

• test_data_streams_payload_size[key_and_length2-payload_and_length2] - test_kafka.py 1m 30.01s (+1m 26.66s, +2593%) - Details

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 10.57%. Comparing base (9c353ce) to head (9d59731).
Report is 21 commits behind head on 2.11.

Files	Patch %	Lines
ddtrace/settings/crashtracker.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             2.11   #10380       +/-   ##
===========================================
- Coverage   34.18%   10.57%   -23.62%     
===========================================
  Files        1385     1385               
  Lines      129280   129474      +194     
===========================================
- Hits        44191    13687    -30504     
- Misses      85089   115787    +30698     

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[pr-commenter]

Benchmarks

Benchmark execution time: 2024-08-26 15:41:40

Comparing candidate commit 9d59731 in PR branch backport-10233-to-2.11 with baseline commit 03cfc4d in branch 2.11.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 214 metrics, 2 unstable metrics.

[github-actions]

CODEOWNERS have been resolved as:

ddtrace/internal/core/crashtracking.py                                  @DataDog/apm-core-python
ddtrace/internal/datadog/profiling/crashtracker/_crashtracker.pyi       @DataDog/profiling-python
ddtrace/internal/datadog/profiling/crashtracker/_crashtracker.pyx       @DataDog/profiling-python
ddtrace/internal/datadog/profiling/dd_wrapper/include/crashtracker.hpp  @DataDog/profiling-python
ddtrace/internal/datadog/profiling/dd_wrapper/include/crashtracker_interface.hpp  @DataDog/profiling-python
ddtrace/internal/datadog/profiling/dd_wrapper/src/crashtracker.cpp      @DataDog/profiling-python
ddtrace/internal/datadog/profiling/dd_wrapper/src/crashtracker_interface.cpp  @DataDog/profiling-python
ddtrace/settings/crashtracker.py                                        @DataDog/apm-core-python