Add pull-requests: write permission to SonarCloud workflow

Agent-Logs-Url: https://github.com/304NotModified/SLNX-validator/sessions/1829fa61-9e73-4502-baf2-bf6e6b1c118b

Co-authored-by: 304NotModified <5808377+304NotModified@users.noreply.github.com>

Author: Copilot

.github/workflows/sonarcloud.yml

@@ -13,6 +13,7 @@ jobs:
     permissions:
       contents: read
       id-token: write
+      pull-requests: write
 
     steps:
       - uses: actions/checkout@v4