ci(tools): update build tools to v7

Author: renovate[bot]

.github/workflows/docker.yml

@@ -23,7 +23,7 @@ jobs:
     steps:
       - name: Checkout source
         id: source
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
 
       - name: Docker meta
         id: meta

.github/workflows/readme.yml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Checkout source
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
 
       - name: Push readme
         uses: actionhippie/pushrm@c42e7f2e33691c3d2b2ee8ea31960354960422bf # v1