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] <[email protected]>

Author: dependabot[bot]

.github/workflows/check-links.yml

@@ -9,14 +9,14 @@ jobs:
   check-links:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: gaurav-nelson/github-action-markdown-link-check@v1
         # checks all markdown files from /cookbook including all subfolders
         with:
           use-quiet-mode: 'yes'
           use-verbose-mode: 'yes'
           folder-path: 'cookbook/'
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: gaurav-nelson/github-action-markdown-link-check@v1
         # checks all markdown files from root but ignores subfolders
         with:

.github/workflows/gh-pages.yml

@@ -12,7 +12,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           submodules: true # could be useful in the future
           fetch-depth: 0   # we just need the latest commit

.github/workflows/preview-cookbook.yml

@@ -12,7 +12,7 @@ jobs:
       issues: write
       pull-requests: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           submodules: true # could be useful in the future
           fetch-depth: 0   # we just need the latest commit

.github/workflows/test.yml

@@ -14,7 +14,7 @@ jobs:
     name: Test code samples
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Install toolchain
         uses: actions-rs/toolchain@v1
         with:

.github/workflows/typos.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout Actions Repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Check spelling
       uses: crate-ci/typos@master