chore: fetch all commits

Author: buehler

.github/workflows/merge-release.yml

@@ -7,16 +7,17 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
       - name: Setup git config
         run: |
           git config user.name "GitHub Actions Bot"
           git config user.email "<>"
-          git config pull.ff only
       - name: Push master to release branch
         run: |
           git checkout master
           git pull
           git checkout release
           git pull
-          git merge --ff-only master
+          git rebase master
           git push