chore(deps): update ghcr.io/super-linter/super-linter docker tag to v8.4.0

Author: renovate[bot]

.mise/tasks/lint/super-linter.sh

@@ -5,7 +5,7 @@
 set -euo pipefail
 
 # renovate: datasource=docker depName=ghcr.io/super-linter/super-linter
-SUPER_LINTER_VERSION="v8.3.2@sha256:e9d1895a1bdc1f9d9df41f688b27aa891743f23f9fae0f22a3e25eeda8f102db"
+SUPER_LINTER_VERSION="v8.4.0@sha256:c5e3307932203ff9e1e8acfe7e92e894add6266605b5d7fb525fb371a59a26f4"
 
 # Super-linter doesn't publish ARM64 images, so always use amd64
 docker pull --platform linux/amd64 "ghcr.io/super-linter/super-linter:${SUPER_LINTER_VERSION}"