fix: Add missing mutagen sync entries for PHP 8.4

Author: Nathaniel Walmsley

compose/sync.yml

@@ -159,7 +159,19 @@ services:
   php-8.3-debug:
     volumes:
       - totara-www-sync:${REMOTE_SRC}:nocopy
+      
+  php-8.4:
+    volumes:
+      - totara-www-sync:${REMOTE_SRC}:nocopy
 
+  php-8.4-cron:
+    volumes:
+      - totara-www-sync:${REMOTE_SRC}:nocopy
+
+  php-8.4-debug:
+    volumes:
+      - totara-www-sync:${REMOTE_SRC}:nocopy
+  
   sync:
     image: alpine:latest
     container_name: totara_sync