Update devcontainer.json to use PHP 8.2

Author: Coderberg

.devcontainer/devcontainer.json

@@ -3,7 +3,7 @@
   "features": {
     "ghcr.io/shyim/devcontainers-features/symfony-cli:0": {},
     "ghcr.io/shyim/devcontainers-features/php:0": {
-      "version": "8.1"
+      "version": "8.2"
     },
   },
   "updateContentCommand": {