Increase PCRE limits

conf/modsecurity/local.conf

@@ -11,6 +11,10 @@ SecRule REQUEST_URI "@beginsWith /wp-admin/site-health.php" "id:5,ctl:ruleEngine
 # default, but something overrides it?)
 SecRequestBodyLimit 131072000
 
+# Increase PCRE limits.
+SecPcreMatchLimit 500000
+SecPcreMatchLimitRecursion 500000
+
 # Do not log the actual HTTP transactions.
 SecAuditEngine Off
 SecAuditLog /dev/null