Bump actions/checkout from 4 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...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>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -1,4 +1,4 @@
-name: Build
+name: Build
 
 on:
   push:
@@ -31,7 +31,7 @@ jobs:
       - name: Support longpaths
         run: git config --global core.longpaths true
       - name: "Checkout"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           lfs: true
           fetch-depth: 0