fix(ci): grant write permission to dry-run release workflow (#1136)

semantic-release runs `git push --dry-run` even in dry-run mode to
verify push permissions. The workflow had `contents: read` which caused
a 403 from github-actions[bot]. Changed to `contents: write`.

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

Author: abueide

.github/workflows/release-dry-run.yml

@@ -26,7 +26,7 @@ jobs:
     needs: [fast-checks]
     runs-on: ubuntu-latest
     permissions:
-      contents: read
+      contents: write
     steps:
       - uses: actions/checkout@v4
         with: