Bump actions/checkout from 6 to 7 (#1096)

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/ci.yml

@@ -20,7 +20,7 @@ jobs:
         node-version: [ ^22.0.0, ^24.0.0 ]
     runs-on: ${{ matrix.platform }}
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
     - uses: actions/setup-node@v6
       with:
         node-version: ${{ matrix.node-version }}
@@ -43,7 +43,7 @@ jobs:
       pull-requests: write
       contents: write
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
     - uses: actions/setup-node@v6
       with:
         node-version: ^24.0.0
@@ -65,7 +65,7 @@ jobs:
       pull-requests: write
       contents: write
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
     - name: Assess changes
       uses: tony84727/changed-file-filter@v0.2.5
       id: filter