Added custom container to checkout step.

.gitea/workflows/build_releases.yaml

@@ -14,11 +14,12 @@ jobs:
       contents: write
 
     steps:
-      # 1. This runs on the host runner environment (which has Node.js)
       - name: Checkout Code
-        uses: actions/checkout@v4
+        uses: docker://alpine/git:latest
+        with:
+          args: clone https://github.com/${{ github.repository }}.git . && git checkout ${{ github.sha }}
 
-      # 2. This specific step spins up the .NET container dynamically just for the build
+      # 2. Run the .NET compilation step
       - name: 'Execute .NET Publish Target'
         uses: docker://mcr.microsoft.com/dotnet/sdk:9.0
         with: