v5.16.0

Improvements

• graphql: fix graphql.resolve span durations (#4387)
• otel: remaps http status tag to meet ddog convention for otel(#4384)

Bug Fixes

• ci: test OCI system-tests scenarios on every commit (#4371)
• otel: pin otel api version in integration test (#4388)
• core: send original config value to telemetry (#4378)
• core: fix RC support for sampling rules patch (#4381)