Fix GitHub Actions permissions for release workflow

- Add contents:write permission to allow pushing tags and commits
- Configure git credentials properly for automated releases
- Use persist-credentials to maintain authentication for push operations

Author: wassertim

.github/workflows/release.yml

@@ -16,13 +16,17 @@ on:
 jobs:
   release:
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      actions: read
 
     steps:
     - name: Checkout code
       uses: actions/checkout@v4
       with:
         fetch-depth: 0
         token: ${{ secrets.GITHUB_TOKEN }}
+        persist-credentials: true
 
     - name: Set up JDK 21
       uses: actions/setup-java@v4
@@ -39,8 +43,8 @@ jobs:
 
     - name: Configure Git
       run: |
-        git config --global user.name "github-actions[bot]"
-        git config --global user.email "github-actions[bot]@users.noreply.github.com"
+        git config --local user.name "github-actions[bot]"
+        git config --local user.email "github-actions[bot]@users.noreply.github.com"
 
     - name: Build and test main library
       run: mvn clean install