build(deps): bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

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

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

.github/workflows/codeql.yml

@@ -42,7 +42,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/differential-shellcheck.yml

@@ -19,7 +19,7 @@ jobs:
 
     steps: 
       - name: Repository checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 

.github/workflows/integration_tests.yml

@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Repository checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install dependencies
         run: sudo apt install -y libpopt-dev libselinux1-dev libnewt-dev gettext
@@ -35,7 +35,7 @@ jobs:
 
     steps:
       - name: Repository checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Clone beakerlib repository
         run: git clone --depth=1 https://github.com/beakerlib/beakerlib.git

.github/workflows/weblate-lint.yaml

@@ -15,7 +15,7 @@ jobs:
 
     steps: 
       - name: Repository checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Weblate Locale Linter
         uses: WeblateOrg/locale_lint@v0.2.2