Update actions/checkout action to v7

Author: renovate[bot]

.github/workflows/devcontainer.yml

@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Log in to GHCR
         uses: docker/login-action@v3

.github/workflows/docker.yml

@@ -29,7 +29,7 @@ jobs:
         ports:
           - 5432:5432
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           submodules: true
           token: ${{ github.token }}
@@ -99,7 +99,7 @@ jobs:
       packages: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
       - name: Log into registry ${{ env.REGISTRY }}

.github/workflows/frontend-nextjs.yml

@@ -20,7 +20,7 @@ jobs:
         working-directory: ./frontend-nextjs
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Setup Bun
         uses: oven-sh/setup-bun@v1

.github/workflows/rust.yml

@@ -28,7 +28,7 @@ jobs:
         ports:
           - 5432:5432
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - name: Setup env file
         run: |
           echo "DATABASE_URL=postgres://postgres:password@localhost:5432/chaos" >> backend/.env