test: add test suite for version bumping logic

.github/workflows/version-bump.yml

@@ -10,10 +10,9 @@ permissions:
   pull-requests: write
 
 jobs:
-  bump-version:
-    if: "!startsWith(github.event.head_commit.message, 'bump:')"
+  run-tests:
     runs-on: ubuntu-latest
-    name: "Bump version and create changelog with commitizen"
+    name: "Run tests"
     steps:
       - uses: actions/checkout@v4
         with:
@@ -28,6 +27,16 @@ jobs:
       - name: Run tests
         run: make test
 
+  bump-version:
+    if: "!startsWith(github.event.head_commit.message, 'bump:')"
+    runs-on: ubuntu-latest
+    name: "Bump Version"
+    needs: run-tests
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          fetch-depth: 0
       - name: Create bump and changelog
         uses: commitizen-tools/commitizen-action@master
         with: