fix(profiling): endpoint profiling for stack v2 [backport-2.13]

[taegyunkim]

Manual backport of #10882 to 2.13

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

[github-actions]

CODEOWNERS have been resolved as:

ddtrace/internal/datadog/profiling/stack_v2/include/thread_span_links.hpp  @DataDog/profiling-python
ddtrace/internal/datadog/profiling/stack_v2/src/thread_span_links.cpp   @DataDog/profiling-python
releasenotes/notes/profiling-fix-stack-v2-endpoint-82a1e26366166b8d.yaml  @DataDog/apm-python
ddtrace/internal/datadog/profiling/stack_v2/CMakeLists.txt              @DataDog/profiling-python
ddtrace/internal/datadog/profiling/stack_v2/__init__.py                 @DataDog/profiling-python
ddtrace/internal/datadog/profiling/stack_v2/src/sampler.cpp             @DataDog/profiling-python
ddtrace/internal/datadog/profiling/stack_v2/src/stack_renderer.cpp      @DataDog/profiling-python
ddtrace/internal/datadog/profiling/stack_v2/src/stack_v2.cpp            @DataDog/profiling-python
ddtrace/profiling/collector/stack.pyx                                   @DataDog/profiling-python

[pr-commenter]

Benchmarks

Benchmark execution time: 2024-10-02 19:51:39

Comparing candidate commit 4f75545 in PR branch backport-10882-to-2.13 with baseline commit abc8577 in branch 2.13.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 353 metrics, 47 unstable metrics.