Adds process_tags to live debugger payloads

[dubloom]

This PR implements this RFC for dynamic instrumentation.

Add process_tags to dynamic instrumentation payload.

This PR comes with this libdatadog PR: DataDog/libdatadog#1452 which justifies the temporary bump of libdatadog (to show that it works)

[datadog-official]

⚠️ Tests

✨ Fix all issues with Cursor

⚠️ Warnings

🧪 1026 Tests failed

    testSearchPhpBinaries from integration.DDTrace\Tests\Integration\PHPInstallerTest (Fix with Cursor)

testSimplePushAndProcess from laravel-58-test.DDTrace\Tests\Integrations\Laravel\V5_8\QueueTest (Datadog) (Fix with Cursor)

Risky Test
phpvfscomposer://tests/vendor/phpunit/phpunit/phpunit:60

testSimplePushAndProcess from laravel-8x-test.DDTrace\Tests\Integrations\Laravel\V8_x\QueueTest (Datadog) (Fix with Cursor)

DDTrace\Tests\Integrations\Laravel\V8_x\QueueTest::testSimplePushAndProcess
Test code or tested code printed unexpected output: spanLinksTraceId: 696f6a2a0000000092403239d7414ba1
tid: 696f6a2a00000000
hexProcessTraceId: 92403239d7414ba1
hexProcessSpanId: 8e5a93f6dcc4c96b
processTraceId: 10538478352052865953
processSpanId: 10257673789764847979

View all

ℹ️ Info

❄️ No new flaky tests detected

_{This comment will be updated automatically if new data arrives.
🔗 Commit SHA: 58d8f00 | Docs | Datadog PR Page | Was this helpful? Give us feedback!}

[pr-commenter]

Benchmarks [ tracer ]

Benchmark execution time: 2026-01-20 12:41:12

Comparing candidate commit 58d8f00 in PR branch dubloom/process-tags-di with baseline commit 617ba06 in branch master.

Found 0 performance improvements and 4 performance regressions! Performance is the same for 189 metrics, 1 unstable metrics.

scenario:SamplingRuleMatchingBench/benchRegexMatching1

• 🟥 execution_time [+110.105ns; +147.095ns] or [+9.679%; +12.930%]

scenario:SamplingRuleMatchingBench/benchRegexMatching2

• 🟥 execution_time [+84.378ns; +130.622ns] or [+7.345%; +11.370%]

scenario:SamplingRuleMatchingBench/benchRegexMatching3

• 🟥 execution_time [+80.107ns; +134.893ns] or [+6.866%; +11.562%]

scenario:SamplingRuleMatchingBench/benchRegexMatching4

• 🟥 execution_time [+76.046ns; +134.554ns] or [+6.557%; +11.602%]

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 61.92%. Comparing base (617ba06) to head (58d8f00).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3580   +/-   ##
=======================================
  Coverage   61.92%   61.92%           
=======================================
  Files         140      140           
  Lines       13309    13309           
  Branches     1762     1762           
=======================================
  Hits         8241     8241           
  Misses       4278     4278           
  Partials      790      790           

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