chore(deps): bump actions/checkout from 2 to 4 (#144)

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/clang-tidy-pr-comments-manually.yaml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Check out repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Download analysis results
         run: |
@@ -40,7 +40,7 @@ jobs:
 
       - name: Check out PR head
         if: ${{ steps.check-fixes-yaml-existence.outputs.exists == 'true' }}
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: ${{ steps.set-variables.outputs.pr-head-repo }}
           ref: ${{ steps.set-variables.outputs.pr-head-ref }}

.github/workflows/clang-tidy-pr-comments.yaml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Check out repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Download analysis results
         run: |
@@ -41,7 +41,7 @@ jobs:
 
       - name: Check out PR head
         if: ${{ steps.check-fixes-yaml-existence.outputs.exists == 'true' }}
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: ${{ steps.set-variables.outputs.pr-head-repo }}
           ref: ${{ steps.set-variables.outputs.pr-head-ref }}

.github/workflows/cppcheck-weekly.yaml

@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       # cppcheck from apt does not yet support --check-level args, and thus install from snap
       - name: Install Cppcheck from snap

.github/workflows/delete-closed-pr-docs.yaml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Check out repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 

.github/workflows/deploy-docs.yaml

@@ -34,7 +34,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Check out repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
           ref: ${{ github.event.pull_request.head.sha }}