librtmp2-server 0.6.0

What's Changed

• fix(db): remove duplicate with_conn under test-support by @cursor[bot] in #245
• fix: cluster accept-loop resilience, config precedence, generation leak (BUG-5/6/7/11) by @AlexanderWagnerDev in #246
• ci(sonar): pin install-action SHA and merge integration test coverage by @cursor[bot] in #247
• Update taiki-e/install-action digest to 6db3a28 by @renovate[bot] in #248
• ci(sonar): fix coverage merge after cargo-llvm-cov dropped --append by @cursor[bot] in #250
• fix(bug-hunter): cluster rejoin fencing, close/auth ordering, snapshot install timeouts (3 findings) by @AlexanderWagnerDev in #249
• Answer publishes and plays from an in-memory key cache; re-run benchmarks against SRS 8.0 by @AlexanderWagnerDev in #251
• Release 0.6.0 by @AlexanderWagnerDev in #252

Full Changelog: v0.5.0...v0.6.0