chore(deps): bump super-linter/super-linter

Bumps the docker-dependencies group with 1 update in the / directory: [super-linter/super-linter](https://github.com/super-linter/super-linter).


Updates `super-linter/super-linter` from slim-v8.0.0 to slim-v8.6.0
- [Release notes](https://github.com/super-linter/super-linter/releases)
- [Changelog](https://github.com/super-linter/super-linter/blob/main/CHANGELOG.md)
- [Commits](https://github.com/super-linter/super-linter/compare/v8...v8.6.0)

---
updated-dependencies:
- dependency-name: super-linter/super-linter
  dependency-version: slim-v8.6.0
  dependency-type: direct:production
  dependency-group: docker-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>

.devcontainer/devcontainer.json

@@ -3,7 +3,7 @@
   "image": "mcr.microsoft.com/devcontainers/base:bullseye",
   "features": {
     "ghcr.io/devcontainers/features/node:2": {},
-    "ghcr.io/devcontainers/features/docker-in-docker:3": {},
+    "ghcr.io/devcontainers/features/docker-in-docker:2": {},
     "ghcr.io/devcontainers/features/github-cli:1": {}
   },
   "remoteEnv": {