skip tagging a new beta version for main branch

Author: boblat

.github/workflows/release.yml

@@ -62,6 +62,7 @@ jobs:
           path: artifacts
 
       - name: Generate semantic version for @algorandfoundation/algorand-typescript-testing
+        if: github.ref_name != 'main'
         run: npx semantic-release
         env:
           GITHUB_TOKEN: ${{ steps.app_token.outputs.token }}