build: 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/clang-format-image.yml

@@ -42,7 +42,7 @@ jobs:
           - {version: "4.0", ubuntu: "bionic"}
           - {version: "3.9", ubuntu: "bionic"}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Parse version tags
         run: |
           VERSION="${{ matrix.version-pair.version }}"

.github/workflows/release.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Release with Notes

.github/workflows/shell-lint.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-20.04
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - uses: ludeeus/action-shellcheck@2.0.0
 
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-20.04
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions/setup-go@v4
       with:
         go-version: '1.20'

.github/workflows/tests.yml

@@ -37,7 +37,7 @@ jobs:
           - 15
           - 16
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Build and test the Docker image
       run: test/test.sh ${{ matrix.clang-format-version }}
   e2e:
@@ -69,7 +69,7 @@ jobs:
             exclude: 'capi'
             known_fail: false
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Run clang-format style check for C/C++ programs.
         id: check
         uses: ./../clang-format-action