Document github repo settings (#1717)

Author: cijothomas

.github/repository-settings.md

@@ -4,6 +4,13 @@ Maintainers are expected to maintain this log. This is required as per
 [OpenTelemetry Community
 guidelines](https://github.com/open-telemetry/community/blob/main/docs/how-to-configure-new-repository.md#collaborators-and-teams).
 
+## May 6th 2024
+
+Modified branch protection for main branch to require the following CI checks as
+we now added Windows to CI.
+test (ubuntu-latest, stable)
+test (stable, windows-latest)
+
 ## April 30th 2024
 
 Modified branch protection for main branch to require the following CI checks: