fix(github actions): release-please, add permission for labels (#3)

## what

- fix issue where release-release could not create labels
([example](https://github.com/masterpointio/terraform-postgres-automation/actions/runs/14671513148/job/41180498293)).

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **Chores**
- Updated workflow permissions to allow the workflow to create or modify
issue labels.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Author: westonplatter

.github/workflows/release-please.yaml

@@ -8,6 +8,7 @@ on:
 permissions:
   contents: write
   pull-requests: write
+  issues: write # required for label creation
 
 jobs:
   release-please: