Update changelog

Signed-off-by: dependabot[bot] <[email protected]>

CHANGELOG.md

@@ -100,6 +100,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Bump `org.wiremock:wiremock-standalone` from 2.35.0 to 3.1.0 ([#9752](https://github.com/opensearch-project/OpenSearch/pull/9752))
 - Bump `com.google.http-client:google-http-client-jackson2` from 1.43.2 to 1.43.3 ([#10126](https://github.com/opensearch-project/OpenSearch/pull/10126))
 - Bump `org.xerial.snappy:snappy-java` from 1.1.10.3 to 1.1.10.4 ([#10206](https://github.com/opensearch-project/OpenSearch/pull/10206))
+- Bump `codecov/codecov-action` from 2 to 3 ([#10209](https://github.com/opensearch-project/OpenSearch/pull/10209))
 
 ### Changed
 - Add instrumentation in rest and network layer. ([#9415](https://github.com/opensearch-project/OpenSearch/pull/9415))