Potential fix for code scanning alert no. 110: Workflow does not contain permissions (#7130)

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: SamTV12345

.github/workflows/releaseEtherpad.yaml.yml

@@ -1,4 +1,6 @@
 name: releaseEtherpad.yaml
+permissions:
+  contents: read
 on:
   workflow_dispatch: