Update release notes to include updating collector integration tests. (#76)

* Update release notes to include updating collector integration tests.

* Apply suggestions from code review

Co-authored-by: John Watson <[email protected]>

Co-authored-by: Anuraag Agrawal <[email protected]>
Co-authored-by: John Watson <[email protected]>

Author: 3 people

RELEASING.md

@@ -30,6 +30,12 @@ page](https://github.com/open-telemetry/opentelemetry-java-contrib/releases), pr
 `Draft a new release` to write release notes about the new release. If there is already a draft
 release notes, just point it at the created tag.
 
+### Notifying other OpenTelemetry projects
+
+When cutting a new release, the relevant integration tests for components in other opentelemetry projects need to be updated.
+
+- OpenTelemetry Collector contrib JMX receiver - [Downloads latest version here](https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/main/receiver/jmxreceiver/integration_test.go)
+
 ## Patch Release
 
 All patch releases should include only bug-fixes, and must avoid