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](https://github.com/actions/checkout/compare/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/build.yml

@@ -32,7 +32,7 @@ jobs:
         os: [ ubuntu-latest, windows-latest, macos-latest ]
     if: ${{ !contains(github.event.head_commit.message, '[skip ci]') }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 2
     - uses: actions/cache@v3

.github/workflows/git-repo-sync.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     continue-on-error: false
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 100
     - name: Setup Environment

.github/workflows/troubleshooting.yml

@@ -15,7 +15,7 @@ jobs:
         os: [ ubuntu-latest ]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/cache@v3
         with:
           path: |