build: bump actions/checkout from 2 to 3

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...v3)

---
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

@@ -40,7 +40,7 @@ jobs:
           - {version: "4.0", ubuntu: "bionic"}
           - {version: "3.9", ubuntu: "bionic"}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - 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@v2.4.0
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Release with Notes

.github/workflows/shell-lint.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-20.04
 
     steps:
-    - uses: actions/checkout@v2.4.0
+    - uses: actions/checkout@v3
 
     - uses: ludeeus/action-shellcheck@1.1.0
 
@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-20.04
 
     steps:
-    - uses: actions/checkout@v2.4.0
+    - uses: actions/checkout@v3
     - uses: actions/setup-go@v2
       with:
         go-version: '1.17'

.github/workflows/tests.yml

@@ -33,6 +33,6 @@ jobs:
           - 13
           - 14
     steps:
-    - uses: actions/checkout@v2.4.0
+    - uses: actions/checkout@v3
     - name: Build and test the Docker image
       run: test/test.sh ${{ matrix.version }}