test(CI): upload junit reports to datadog

[Leiyks]

Description

Reviewer checklist

• Test coverage seems ok.
• Appropriate labels assigned.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 61.60%. Comparing base (867b36c) to head (c4d3680).
⚠️ Report is 25 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3521      +/-   ##
==========================================
- Coverage   61.74%   61.60%   -0.14%     
==========================================
  Files         142      142              
  Lines       12975    12975              
  Branches     1700     1700              
==========================================
- Hits         8011     7993      -18     
- Misses       4204     4222      +18     
  Partials      760      760              

see 4 files with indirect coverage changes

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[pr-commenter]

Benchmarks [ tracer ]

Benchmark execution time: 2025-12-17 13:34:10

Comparing candidate commit c4d3680 in PR branch leiyks/feat-upload-junit-report-to-datadog with baseline commit 867b36c in branch master.

Found 3 performance improvements and 3 performance regressions! Performance is the same for 187 metrics, 1 unstable metrics.

scenario:MessagePackSerializationBench/benchMessagePackSerialization

• 🟩 execution_time [-5.933µs; -4.367µs] or [-5.315%; -3.912%]

scenario:MessagePackSerializationBench/benchMessagePackSerialization-opcache

• 🟩 execution_time [-4.416µs; -2.264µs] or [-3.920%; -2.010%]

scenario:PHPRedisBench/benchRedisBaseline

• 🟥 execution_time [+5.685µs; +6.928µs] or [+4.213%; +5.134%]

scenario:SamplingRuleMatchingBench/benchGlobMatching1

• 🟥 execution_time [+47.311ns; +112.689ns] or [+2.162%; +5.149%]

scenario:SpanBench/benchOpenTelemetryAPI-opcache

• 🟥 mem_peak [+1.700MB; +1.704MB] or [+4.418%; +4.430%]

scenario:TraceSerializationBench/benchSerializeTrace

• 🟩 execution_time [-40.634µs; -27.466µs] or [-9.109%; -6.157%]