Switch to self-hosted runner with .NET SDK 10.0 on host

.forgejo/workflows/build.yml

@@ -8,8 +8,10 @@ on:
 
 jobs:
   build:
-    runs-on: dotnet
+    runs-on: self-hosted
     steps:
+      - uses: actions/checkout@v4
+
       - name: Restore dependencies
         run: dotnet restore
 
@@ -22,8 +24,10 @@ jobs:
   publish:
     needs: build
     if: github.ref == 'refs/heads/main'
-    runs-on: dotnet
+    runs-on: self-hosted
     steps:
+      - uses: actions/checkout@v4
+
       - name: Publish Blazor WASM
         run: dotnet publish -c Release -o /tmp/publish