Meta: Bump the pre-commit feature version to 2 in dev-container

Version 1 does not exist after the rename.

Author: gmta

.devcontainer/devcontainer.json

@@ -5,7 +5,7 @@
     // Features to add to the dev container. More info: https://containers.dev/implementors/features.
     "features": {
         "ghcr.io/devcontainers/features/github-cli:1": {},
-        "ghcr.io/devcontainers-extra/features/pre-commit:1": {},
+        "ghcr.io/devcontainers-extra/features/pre-commit:2": {},
         "./features/serenity": {
             "llvm_version": 18,
             "enable_ladybird": true,