Update GitHub workflows

Author: dmelikyan

.github/workflows/pypi-publish.yml

@@ -13,7 +13,7 @@ jobs:
       - name: Check out code
         uses: actions/checkout@v4
         with:
-          ref: 'refs/tags/${{ github.ref }}'
+          ref: 'main'
 
       - name: Set up Python
         uses: actions/setup-python@v5