Improve alias generation

Author: parttimenerd

.github/workflows/build-and-snapshot.yml

@@ -102,6 +102,13 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Create new tag
+        run: |
+          git config --global user.name "GitHub Actions"
+          git config --global user.email "actions@github.com"
+          git tag -f snapshot
+          git push -f origin snapshot
+
       - name: Create GitHub Release
         uses: softprops/action-gh-release@v1
         with: