Fix outdated community membership link (#1978)

Co-authored-by: otelbot <[email protected]>

Author: opentelemetrybot

README.md

@@ -79,19 +79,19 @@ can be helpful to ensure this is the correct place and that active or conflictin
 - [Lauri Tulmin](https://github.com/laurit), Splunk
 - [Trask Stalnaker](https://github.com/trask), Microsoft
 
-For more information about the maintainer role, see the [community repository](https://github.com/open-telemetry/community/blob/main/community-membership.md#maintainer).
+For more information about the maintainer role, see the [community repository](https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md#maintainer).
 
 ### Approvers
 
 - [John Watson](https://github.com/jkwatson), Verta.ai
 
-For more information about the approver role, see the [community repository](https://github.com/open-telemetry/community/blob/main/community-membership.md#approver).
+For more information about the approver role, see the [community repository](https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md#approver).
 
 ### Triagers
 
 - All [component owners](https://github.com/open-telemetry/opentelemetry-java-contrib/blob/main/.github/component_owners.yml) are given Triager permissions to this repository.
 
-For more information about the triager role, see the [community repository](https://github.com/open-telemetry/community/blob/main/community-membership.md#triagers).
+For more information about the triager role, see the [community repository](https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md#triager).
 
 ### Emeritus maintainers