Print PCRE version

Author: tvdijen

.github/workflows/php.yml

@@ -58,6 +58,9 @@ jobs:
           ini-values: error_reporting=E_ALL
           coverage: pcov
 
+      - name: Print PCRE version
+        run: php -i | grep "PCRE Library Version"
+
       - name: Setup problem matchers for PHP
         run: echo "::add-matcher::${{ runner.tool_cache }}/php.json"