add sleep and clean of previous builds

.github/workflows/bump_version.yml

@@ -198,9 +198,13 @@ jobs:
       id-token: write
 
     steps:
+      - name: Wait for Git operations to complete
+        run: sleep 30
+
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          ref: master
 
       - name: Set up Python
         uses: actions/setup-python@v4
@@ -211,6 +215,9 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install build twine
+
+      - name: Clean previous builds
+        run: rm -rf dist/ build/
 
       - name: Build package
         run: python -m build