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/fetch_dependencies.yml

@@ -11,7 +11,7 @@ jobs:
 
     steps:
     - name: Checkout Repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Run Fetch Dependencies Script
       run: cd scripts && bash ./fetch_dependencies.sh

.github/workflows/linux_clang.yml

@@ -23,7 +23,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Install system dependencies
       run: |

.github/workflows/linux_gcc.yml

@@ -23,7 +23,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Install system dependencies
       run: |

.github/workflows/macos_x86.yml

@@ -23,7 +23,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     # Install system dependencies
     - name: Install Dependancies

.github/workflows/tests.yml

@@ -23,7 +23,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - uses: NcStudios/VulkanCI@v1.2
 

.github/workflows/windows.yml

@@ -28,7 +28,7 @@ jobs:
       run: echo "key=$(date +'%W')" >> $GITHUB_OUTPUT
 
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     # Force xmake to a specific folder (for cache)
     - name: Set xmake env