Merge pull request #5503 from enxebre/things-that-need-help

📖 Add more to Finding Things That Need Help

CONTRIBUTING.md

@@ -51,6 +51,8 @@ come up, including gaps in documentation!
 
 If you're a more experienced contributor, looking at unassigned issues in the next release milestone is a good way to find work that has been prioritized. For example, if the latest minor release is `v1.0`, the next release milestone is `v1.1`.
 
+Help and contributions are very welcome in the form of code contributions but also in helping to moderate office hours, triaging issues, fixing/investigating flaky tests, cutting releases, helping new contributors with their questions, reviewing proposals, etc.
+
 ## Versioning
 
 ### Codebase and Go Modules