build(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/ci.yml

@@ -35,7 +35,7 @@ jobs:
   create-nuget:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 0 # Get all history to allow automatic versioning using MinVer
 
@@ -117,7 +117,7 @@ jobs:
 
     steps:
       - name: 🛒 Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -151,7 +151,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: [ create-nuget ]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0 # Get all history to allow automatic versioning using MinVer
 
@@ -211,7 +211,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 🛒 Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -264,7 +264,7 @@ jobs:
     if: github.event_name == 'pull_request' && github.repository_owner == 'bunit-dev'
     steps:
       - name: 'Checkout Repository'
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: 'Dependency Review'
         uses: actions/dependency-review-action@v4
 

.github/workflows/docs-deploy.yml

@@ -30,7 +30,7 @@ jobs:
     steps:
 
       - name: 🛒 Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           token: ${{ secrets.BUNIT_BOT_TOKEN }}

.github/workflows/prepare-release.yml

@@ -16,7 +16,7 @@ jobs:
     if: github.ref == 'refs/heads/main' && contains(fromJson('["major","minor"]'), github.event.inputs.versionIncrement)
     steps:
       - name: 🛒 Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           token: ${{ secrets.BUNIT_BOT_TOKEN }}

.github/workflows/release.yml

@@ -31,7 +31,7 @@ jobs:
     steps:
 
       - name: 🛒 Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           token: ${{ secrets.BUNIT_BOT_TOKEN }}