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] <support@github.com>

Author: dependabot[bot]

.github/workflows/continuous-integration.benchmark.yml

@@ -70,7 +70,7 @@ jobs:
     # Checkout repository
     ###
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         lfs: true
     ###

.github/workflows/continuous-integration.build-qa.yml

@@ -23,7 +23,7 @@ jobs:
     # Checkout repository
     ###
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         lfs: true
         fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis

.github/workflows/continuous-integration.build.yml

@@ -30,7 +30,7 @@ jobs:
     # Checkout repository
     ###
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         lfs: true
     ###

.github/workflows/continuous-integration.stryker.yml

@@ -27,7 +27,7 @@ jobs:
     # Checkout repository
     ###
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         lfs: true
     ###

.github/workflows/manual-deployment.yml

@@ -39,7 +39,7 @@ jobs:
     # Checkout repository
     ###
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         lfs: true
     ###

.github/workflows/scheduled-codeql-analysis.yml

@@ -22,7 +22,7 @@ jobs:
     # Checkout repository
     ###
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         lfs: true
 

.github/workflows/scheduled-sonarcloud.yml

@@ -17,7 +17,7 @@ jobs:
     # Checkout repository
     ###
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         lfs: true
         fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis