build(deps): bump actions/checkout from 6.0.2 to 7.0.0

Bumps [actions/checkout](https://github.com/actions/checkout) from 6.0.2 to 7.0.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v6.0.2...v7.0.0)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 7.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/node.js.yml

@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Check out
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@v7.0.0
 
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v6

.github/workflows/publish-demo.yml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Check out
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@v7.0.0
 
       - name: Use Node v24
         uses: actions/setup-node@v6