update workflow

Author: sakkyoi

.github/workflows/main.yml

@@ -32,9 +32,9 @@ jobs:
     - id: vars
       run: echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
     - uses: softprops/action-gh-release@v2
+      if: startsWith(github.ref, 'refs/tags/')
       with:
         files: dist/*
         tag_name: ${{ steps.vars.outputs.sha_short }}
-        tag: ${{ steps.vars.outputs.sha_short }}
         name: Release ${{ steps.vars.outputs.sha_short }}
         token: ${{ secrets.GITHUB_TOKEN }}