[chore] Fix links to community membership doc (#34527)

This link is now dead, and failing our CI check links action. I've
updated references to the new link.

[Failing action
link](https://github.com/open-telemetry/opentelemetry-collector-contrib/actions/runs/10306268860/job/28529052545?pr=34523)

[PR moving the original
doc](open-telemetry/community#2051)

.github/ALLOWLIST

@@ -7,7 +7,7 @@
 #####################################################
 #
 # Learn about membership in OpenTelemetry community:
-#  https://github.com/open-telemetry/community/blob/main/community-membership.md
+#  https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md
 #
 #
 # Learn about CODEOWNERS file format:

.github/CODEOWNERS

@@ -6,7 +6,7 @@
 #####################################################
 #
 # Learn about membership in OpenTelemetry community:
-# https://github.com/open-telemetry/community/blob/main/community-membership.md
+# https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md
 #
 #
 # Learn about CODEOWNERS file format:

README.md

@@ -116,7 +116,7 @@ Emeritus Maintainers
 
 - [Tigran Najaryan](https://github.com/tigrannajaryan), Splunk
 
-Learn more about roles in the [community repository](https://github.com/open-telemetry/community/blob/main/community-membership.md).
+Learn more about roles in the [community repository](https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md).
 
 ## PRs and Reviews
 

cmd/githubgen/codeowners.go

@@ -22,7 +22,7 @@ const allowlistHeader = `# Code generated by githubgen. DO NOT EDIT.
 #####################################################
 #
 # Learn about membership in OpenTelemetry community:
-#  https://github.com/open-telemetry/community/blob/main/community-membership.md
+#  https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md
 #
 #
 # Learn about CODEOWNERS file format:
@@ -52,7 +52,7 @@ const codeownersHeader = `# Code generated by githubgen. DO NOT EDIT.
 #####################################################
 #
 # Learn about membership in OpenTelemetry community:
-# https://github.com/open-telemetry/community/blob/main/community-membership.md
+# https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md
 #
 #
 # Learn about CODEOWNERS file format: