chore(deps): update actions/checkout action to v7

Dockerfile

@@ -1,4 +1,4 @@
-FROM docker.io/library/alpine:3.24.1@sha256:28bd5fe8b56d1bd048e5babf5b10710ebe0bae67db86916198a6eec434943f8b AS base
+FROM docker.io/library/alpine:3.23.4@sha256:5b10f432ef3da1b8d4c7eb6c487f2f5a8f096bc91145e68878dd4a5019afde11 AS base
 
 # Add edge repository for postgresql18-client
 RUN echo '@edge http://dl-cdn.alpinelinux.org/alpine/edge/main' >> /etc/apk/repositories

renovate.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
   "extends": [
-    "local>t.behrendt/renovate-configs:action",
+    "local>t.behrendt/renovate-configs:common",
-    "local>t.behrendt/renovate-configs:docker-compose"
+    "local>t.behrendt/renovate-configs:action"
   ]
 }