chore: release v12.18.1

[github-actions]

v12.18.1 (2025-04-29)

Bug fixes

• Only add newrelic header to outgoing headers if has a value (#3052) (6ef0a90)

Code refactoring

• Added defensive code when calculating exclusive time on a segment where it cannot locate the segment in the transaction trace tree (#3051) (b4aa25e)
• Updated how otel bridge trace propagator assigns traceparent/tracestate headers (#3046) (6e317b8)

Documentation

• Updated compatibility report (#3054) (437d181)
  • Co-authored-by: bizob2828 1874937+bizob2828@users.noreply.github.com
• Updated compatibility report (#3050) (b79e949)
• Updated compatibility report (#3026) (e08346e)
  • Co-authored-by: svetlanabrennan 50715937+svetlanabrennan@users.noreply.github.com

Tests

• Skipped regressions in pg-native versioned tests (#3053) (6ce3670)
  • Signed-off-by: mrickard maurice@mauricerickard.com
• Updated elasticsearch image for versioned tests (#3038) (3d73f9f)
  • Signed-off-by: mrickard maurice@mauricerickard.com

Continuous integration

• Pinned pg-native to below 3.4.0 (#3049) (8a5c4a4)