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](https://github.com/actions/checkout/compare/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>

.github/workflows/Check.yml

@@ -10,14 +10,14 @@ jobs:
   pre-commit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: pre-commit/action@2c7b3805fd2a0fd8c1884dcaebf91fc102a13ecd # v3.0.1
 
   explicit-imports:
     runs-on: ubuntu-latest
     name: "ExplicitImports.jl"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       # - uses: julia-actions/setup-julia@v2
       #   with:
       #     version: '1'
@@ -63,7 +63,7 @@ jobs:
       name: Runic
       runs-on: ubuntu-latest
       steps:
-        - uses: actions/checkout@v4
+        - uses: actions/checkout@v6
         - uses: julia-actions/setup-julia@v2
           with:
             version: '1'

.github/workflows/Documentation.yml

@@ -13,7 +13,7 @@ jobs:
     name: Julia 1.11 - ubuntu-latest
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: '1.11'

.github/workflows/Test.yml

@@ -26,7 +26,7 @@ jobs:
           - os: macOS-latest
             version: '1'
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}