chore(gha): use prowler-bot for push in action (#8469)

.github/workflows/prowler-release-preparation.yml

@@ -25,6 +25,7 @@ jobs:
       uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       with:
         fetch-depth: 0
+        token: ${{ secrets.PROWLER_BOT_ACCESS_TOKEN }}
 
     - name: Set up Python
       uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
@@ -36,6 +37,11 @@ jobs:
         python3 -m pip install --user poetry
         echo "$HOME/.local/bin" >> $GITHUB_PATH
 
+    - name: Configure Git
+      run: |
+        git config --global user.name "prowler-bot"
+        git config --global user.email "179230569+prowler-bot@users.noreply.github.com"
+
     - name: Parse version and determine branch
       run: |
         # Validate version format (reusing pattern from sdk-bump-version.yml)