🔄(deps): Bump actions/checkout from 4 to 5

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 5.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...v5)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -26,7 +26,7 @@ jobs:
 
     steps:
     - name: 🔄 Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         fetch-depth: 0 # Fetch full history for better analysis
 
@@ -207,7 +207,7 @@ jobs:
 
     steps:
     - name: 🔄 Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: 🏗️ Setup .NET
       uses: actions/setup-dotnet@v4
@@ -233,7 +233,7 @@ jobs:
 
     steps:
     - name: 🔄 Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: 🐳 Set up Docker Buildx
       uses: docker/setup-buildx-action@v3