Bump actions/checkout from 6 to 7 (#606)

Bumps [actions/checkout](https://github.com/actions/checkout) from 6 to 7.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v6...v7)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '7'
  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/DocNav.yml

@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout gh-pages branch
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           ref: gh-pages
 

.github/workflows/benchmark-comment.yml

@@ -24,7 +24,7 @@ jobs:
       ${{ github.event.workflow_run.event == 'pull_request' &&
           github.event.workflow_run.conclusion == 'success' }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       # restore records from the artifacts
       - uses: dawidd6/action-download-artifact@v21
         with:

.github/workflows/benchmark.yml

@@ -16,7 +16,7 @@ jobs:
     if: contains(github.event.pull_request.labels.*.name, 'performance critical')
     steps:
       # setup
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: julia-actions/setup-julia@v3
         with:
           version: '1.7'

.github/workflows/ci.yml

@@ -33,7 +33,7 @@ jobs:
           - 'MultiOutput'
           - 'Others'
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: julia-actions/setup-julia@v3
         with:
           version: ${{ matrix.version }}

.github/workflows/doc_preview_cleanup.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout gh-pages branch
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           ref: gh-pages
       - name: Delete preview and history + push changes

.github/workflows/format.yml

@@ -13,7 +13,7 @@ jobs:
   format:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: julia-actions/setup-julia@v3
         with:
           version: 1