HTTP/2 and Apollo Federation traced; Test Optimization fixes

Features

• electron: Ship dd-trace-electron package with reduced dependencies #8948
• General: Trace core-API HTTP/2 servers #9138
• graphql: Trace Apollo Federation entity resolvers and skip the health-check #9134
• Test Optimization: Add EFD retry count override #9344
• Test Optimization: Diagnose and fix Jest suite skipping #9339

Fixes

• aws-sdk: Record kinesis DSM checkpoint only when context ships #9183
• graphql: Skip Apollo health checks in Mercurius #9363
• LLM Observability: Replace Object.create(span) with delegating wrapper to preserve OTel span private-field access #9152
• proxy: Retain feature modules across tracing reconfiguration #9331
• Test Optimization: Isolate retry status by spec #9340
• Test Optimization: Preserve zero EFD retry budgets #9341
• Test Optimization: Prevent negative test durations #9380
• Test Optimization: Resolve disabled git upload immediately #9338
• Test Optimization: Support cucumber 13.1 results #9370
• Test Optimization: Wait for all worker writers #9349

Performance

• graphql: Reuse filtered variables across resolve spans #9225

Internal (CI, Testing, Benchmarking)

• AppSec: Select mongodb version by Node.js runtime in plugin tests #9322
• ci: Set 16 retries for dd-sts-action #9374
• Dependencies: Bump bullmq #9350
• Dependencies: Bump pnpm #9365
• Dependencies: Bump protobufjs from 8.6.5 to 8.7.0 in /vendor in the vendor-minor-and-patch-dependencies group across 1 directory #9325
• express: Exercise loopback public entry #9291
• express: Trace middleware via layer prototype dispatch #9067
• General: Make no-traces timeout test deterministic #9372
• General: Prepare lint and Vitest for TypeScript 7 #9345
• General: Preserve coverage from custom plugin jobs #9386
• General: Reject when no matching trace arrives before the timeout #9177
• General: Select latest unversioned dependency range #9352
• LLM Observability: Centralize session_id injection in handleLLMObsInjection #9353
• LLM Observability: Cover compatible SDK provider version matrix #9332
• Test Optimization: Assert complete run payloads #9358
• Test Optimization: Make STS API key fetch non-fatal #9320
• undici: Force proxy tunnel in CONNECT regression test #9271