PHP-mariaDB: Update Template default to "8.2-bookworm" (#234)

Author: samruddhikhandale

src/php-mariadb/devcontainer-template.json

@@ -1,6 +1,6 @@
 {
     "id": "php-mariadb",
-    "version": "3.1.0",
+    "version": "3.2.0",
     "name": "PHP & MariaDB",
     "description": "Develop PHP applications with MariaDB (MySQL Compatible).",
     "documentationURL": "https://github.com/devcontainers/templates/tree/main/src/php-mariadb",
@@ -21,7 +21,7 @@
                 "8.2-buster",
                 "8.1-buster"
             ],
-            "default": "8.2-bullseye"
+            "default": "8.2-bookworm"
         }
     },
     "platforms": [