Adds process tags to remote config payload

[dubloom]

Description

This PR implements this RFC for Remote Configuration.

Add process_tags to remote configuration payload.

This PR comes with this libdatadog PR: DataDog/libdatadog#1586

Reviewer checklist

• Test coverage seems ok.
• Appropriate labels assigned.

[datadog-datadog-prod-us1]

⚠️ Tests

✨ Fix all issues with BitsAI or with Cursor

⚠️ Warnings

🧪 1030 Tests failed

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

Risky Test
phpvfscomposer://tests/vendor/phpunit/phpunit/phpunit:97

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

DDTrace\Tests\Integrations\Laravel\V5_8\QueueTest::testSimplePushAndProcess
Test code or tested code printed unexpected output: spanLinksTraceId: 69b001ac000000009a7a8fe7ac414143
tid: 69b001ac00000000
hexProcessTraceId: 9a7a8fe7ac414143
hexProcessSpanId: c08db67767ebe087
processTraceId: 11131367654189777219
processSpanId: 13874946650959241351

phpvfscomposer://tests/vendor/phpunit/phpunit/phpunit:106

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: 69b001b10000000076ac276a049fcc2a
tid: 69b001b100000000
hexProcessTraceId: 76ac276a049fcc2a
hexProcessSpanId: f262203a27bef640
processTraceId: 8551253128767327274
processSpanId: 17465557739043223104

phpvfscomposer://tests/vendor/phpunit/phpunit/phpunit:106

View all

ℹ️ Info

❄️ No new flaky tests detected

_{This comment will be updated automatically if new data arrives.
🔗 Commit SHA: b30e4f1 | Docs | Datadog PR Page | Was this helpful? React with 👍/👎 or give us feedback!}

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 62.32%. Comparing base (41b371e) to head (b30e4f1).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3658      +/-   ##
==========================================
- Coverage   62.39%   62.32%   -0.08%     
==========================================
  Files         142      142              
  Lines       13586    13586              
  Branches     1775     1775              
==========================================
- Hits         8477     8467      -10     
- Misses       4304     4311       +7     
- Partials      805      808       +3     

see 3 files with indirect coverage changes

---

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[pr-commenter]

Benchmarks [ tracer ]

Benchmark execution time: 2026-03-10 14:24:25

Comparing candidate commit b30e4f1 in PR branch dubloom/process-tags-rc with baseline commit 41b371e in branch master.

Found 0 performance improvements and 2 performance regressions! Performance is the same for 190 metrics, 2 unstable metrics.

scenario:ComposerTelemetryBench/benchTelemetryParsing-opcache

• 🟥 execution_time [+406.753ns; +1393.247ns] or [+3.178%; +10.885%]

scenario:PHPRedisBench/benchRedisOverhead

• 🟥 execution_time [+55.859µs; +95.161µs] or [+7.053%; +12.015%]

[Leiyks]

lgtm 👍