refactor: Update release workflow to correctly format and display changelog

Author: prvashisht

.github/workflows/release-extension.yaml

@@ -89,7 +89,7 @@ jobs:
       run: |
         VERSION=${{ needs.check_version.outputs.new_version }}
         FORMATTED_CHANGELOG=$(echo "$CHANGELOG" | sed 's/^/  - /')
-        echo "- \`v${VERSION}\`\n$(echo "${FORMATTED_CHANGELOG}" | sed 's/^/  - /' | sed 's/\\n/\n/g')\n"
+        echo "- \`v${VERSION}\`\n$(echo "${FORMATTED_CHANGELOG}") | sed 's/^/  - /' | sed 's/\\n/\n/g'"
         echo "test git diff"
         echo "$(git diff)"