build(deps): bump actions/checkout from 5 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/codeql.yaml

@@ -30,7 +30,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           # We must fetch at least the immediate parents so that if this is
           # a pull request then we can checkout the head.

.github/workflows/pr.yml

@@ -17,7 +17,7 @@ jobs:
         with:
           go-version: 1.18
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Check go mod
         run: |
           go mod tidy
@@ -26,7 +26,7 @@ jobs:
   golangci-lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: lint
         uses: golangci/golangci-lint-action@v9.2.0
         with:
@@ -36,7 +36,7 @@ jobs:
     needs: golangci-lint # run after golangci-lint action to not produce duplicated errors
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Install Go
         uses: actions/setup-go@v6
         with:
@@ -48,7 +48,7 @@ jobs:
     needs: golangci-lint # run after golangci-lint action to not produce duplicated errors
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Install Go
         uses: actions/setup-go@v6
         with:
@@ -63,7 +63,7 @@ jobs:
         golang:
           - 1.18
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Install Go
         uses: actions/setup-go@v6
         with:
@@ -102,7 +102,7 @@ jobs:
             cover-${{ runner.os }}-go-
 
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Run tests with coverage
         run: make coverage