add git add and commit to update the new version changes to the yml file

.github/workflows/main.yml

@@ -37,6 +37,7 @@ jobs:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
 
         run: |
+          git add . && git commit -am "new version"
           npm version patch
           git push origin master --follow-tags
           npm publish