v1.5.9

What's Changed

• fix: update_cluster_status bandit error by @Ziinc in #1867
• feat: telemetry ingestion api stats by @Ziinc in #1855
• feat: observer telemetry refactor by @Ziinc in #1856
• perf: reduce http2 pools to reduce chance of server throttling. by @Ziinc in #1868
• feat: display source ttl by @Ziinc in #1872
• style: tweak formatting of rate, remove cached. by @Ziinc in #1873
• perf: sources boot optimizations, health checks by @Ziinc in #1874

Full Changelog: v1.5.8...v1.5.9