Try this

Author: jrfnl

.github/workflows/verify-release.yml

@@ -163,7 +163,7 @@ jobs:
       - name: Clean up the version number
         id: version
         # yamllint disable-line rule:line-length
-        run: echo "TAG=$('${{ steps.latest_release.outputs.TAG }}' | grep --only-matching --max-count=1 --extended-regexp '\b[0-9]+(\.[0-9]+)+')" >> "$GITHUB_OUTPUT"
+        run: echo "TAG=$(echo '${{ steps.latest_release.outputs.TAG }}' | grep --only-matching --max-count=1 --extended-regexp '\b[0-9]+(\.[0-9]+)+')" >> "$GITHUB_OUTPUT"
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2