chore(deps): bump actions/checkout from 5 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...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] <[email protected]>

Author: dependabot[bot]

.github/workflows/Docs.yml

@@ -29,7 +29,7 @@ jobs:
         name: Documentation
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
             - uses: julia-actions/setup-julia@v2
               with:
                   version: "1"

.github/workflows/Lint.yml

@@ -19,7 +19,7 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - name: Clone
-              uses: actions/checkout@v5
+              uses: actions/checkout@v6
             - name: Setup Julia
               uses: julia-actions/setup-julia@v2
               with:
@@ -46,7 +46,7 @@ jobs:
         name: Link checker
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
 
             - name: Link Checker
               id: lychee

.github/workflows/PreCommitUpdate.yml

@@ -12,7 +12,7 @@ jobs:
             contents: write
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
             - name: Setup Python
               uses: actions/setup-python@v6
               with:

.github/workflows/ReusableTest.yml

@@ -34,7 +34,7 @@ jobs:
         continue-on-error: ${{ inputs.allow_failure }}
 
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
             - uses: julia-actions/setup-julia@v2
               with:
                   version: ${{ inputs.version }}