Increase fetch depth to test merge base logic

Author: rvermeulen

.github/workflows/finalize-release.yml

@@ -35,6 +35,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           ref: ${{ env.REF }}
+          fetch-depth: 0
 
       - name: Install Python
         uses: actions/setup-python@v4