build(deps): bump actions/checkout from 4 to 7

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 7.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v4...v7)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/lint-docker.yml

@@ -15,7 +15,7 @@ jobs:
       security-events: write
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Run hadolint (produce SARIF)
         id: hadolint

.github/workflows/lint-python.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Set up Python
         uses: actions/setup-python@v7

.github/workflows/lint-shell.yml

@@ -10,7 +10,7 @@ jobs:
   lint-shell:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - name: Install ShellCheck
         run: sudo apt-get update && sudo apt-get install -y shellcheck
       - name: Run ShellCheck

.github/workflows/mark-stable.yml

@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
           fetch-tags: true  # We need tags and main history for version comparison

.github/workflows/publish-containers.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout repository (with tags)
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
 

.github/workflows/security-codeql.yml

@@ -23,7 +23,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v4

.github/workflows/test-e2e.yml

@@ -19,7 +19,7 @@ jobs:
         access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Show Docker version
         run: docker version

.github/workflows/test-env-nix.yml

@@ -20,7 +20,7 @@ jobs:
         access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Show Docker version
         run: docker version

.github/workflows/test-env-virtual.yml

@@ -19,7 +19,7 @@ jobs:
         access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Show commit SHA
         run: git rev-parse HEAD

.github/workflows/test-integration.yml

@@ -15,7 +15,7 @@ jobs:
         access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Show Docker version
         run: docker version

.github/workflows/test-unit.yml

@@ -15,7 +15,7 @@ jobs:
         access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Show Docker version
         run: docker version

.github/workflows/test-virgin-root.yml

@@ -19,7 +19,7 @@ jobs:
         access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Show Docker version
         run: docker version

.github/workflows/test-virgin-user.yml

@@ -19,7 +19,7 @@ jobs:
         access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Show Docker version
         run: docker version

.github/workflows/update-flake-lock.yml

@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Install Nix
         uses: DeterminateSystems/nix-installer-action@v23