build(deps): bump actions/checkout from 5 to 6 (#70)

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

Author: dependabot[bot]

.github/workflows/build-offline.yaml

@@ -9,7 +9,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - run: scripts/generate-offline.sh
         shell: bash

.github/workflows/call-add-mapping-version.yaml

@@ -40,7 +40,7 @@ jobs:
             github-pat:projects/626836145334/secrets/GITHUB_CI_PAT
 
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
             repository: fluentdo/documentation
             token: ${{ steps.get-secrets.outputs.github-pat }}

.github/workflows/cron-run-scan.yaml

@@ -35,7 +35,7 @@ jobs:
             github-pat:projects/626836145334/secrets/GITHUB_CI_PAT
 
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           token: ${{ steps.get-secrets.outputs.github-pat }}
 

.github/workflows/lint.yaml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     name: PR - Shellcheck
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: reviewdog/action-shellcheck@v1.32.0
         with:
           reporter: github-pr-review
@@ -30,7 +30,7 @@ jobs:
     runs-on: ubuntu-latest
     name: PR - Actionlint
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - run: |
           echo "::add-matcher::.github/actionlint-matcher.json"
           bash <(curl https://raw.githubusercontent.com/rhysd/actionlint/main/scripts/download-actionlint.bash)
@@ -41,7 +41,7 @@ jobs:
     runs-on: ubuntu-latest
     name: PR - Check Orphaned Documentation
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Check for orphaned markdown files
         run: bash ./scripts/check-orphaned-docs.sh
         shell: bash