Bump actions/checkout from 5.0.0 to 6.0.0

Bumps [actions/checkout](https://github.com/actions/checkout) from 5.0.0 to 6.0.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5.0.0...v6.0.0)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/CD.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: windows-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v5.0.0
+      uses: actions/checkout@v6.0.0
       with:
         show-progress: false
     - uses: actions/cache@v4
@@ -38,7 +38,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v5.0.0
+      uses: actions/checkout@v6.0.0
       with:
         show-progress: false
     - name: Install dependencies

.github/workflows/CI.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v5.0.0
+      uses: actions/checkout@v6.0.0
       with:
         show-progress: false
     - name: Install dependencies

.github/workflows/codeql-analysis.yml

@@ -37,7 +37,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5.0.0
+      uses: actions/checkout@v6.0.0
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL