fix publish label

.github/workflows/publish.yml

@@ -15,7 +15,7 @@ jobs:
       - run: npm ci
       - run: npm run prepublishOnly
       - id: get_npm_label
-        run: if (npx semver ${{ github.event.release.tag_name }} --range '>0.0.0'); then echo ::set-output name=NPM_LABEL::latest; else echo ::set-output name=NPM_LABEL::beta; fi; # Using the fact that semver by default considers that pre-releases do not respect stable ranges
+        run: if (npx semver $(node -p "require('./package.json').version") --range '>0.0.0'); then echo ::set-output name=NPM_LABEL::latest; else echo ::set-output name=NPM_LABEL::beta; fi; # Using the fact that semver by default considers that pre-releases do not respect stable ranges
       - run: npm publish --tag=${NPM_LABEL} --access public
         env:
           NPM_LABEL: ${{ steps.get_npm_label.outputs.NPM_LABEL }}