Switch to dotnet runner label, remove container override

.forgejo/workflows/build.yml

@@ -8,8 +8,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
-    container: mcr.microsoft.com/dotnet/sdk:10.0
+    runs-on: dotnet
     steps:
       - name: Restore dependencies
         run: dotnet restore
@@ -23,8 +22,7 @@ jobs:
   publish-client:
     needs: build
     if: github.ref == 'refs/heads/main'
-    runs-on: ubuntu-latest
-    container: mcr.microsoft.com/dotnet/sdk:10.0
+    runs-on: dotnet
     steps:
       - name: Publish Blazor WASM Client
         run: dotnet publish src/CalorieTracker.Client -c Release -o /tmp/publish/client
@@ -38,12 +36,8 @@ jobs:
   publish-api:
     needs: build
     if: github.ref == 'refs/heads/main'
-    runs-on: ubuntu-latest
-    container: mcr.microsoft.com/dotnet/sdk:10.0
+    runs-on: dotnet
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
       - name: Publish API
         run: dotnet publish src/CalorieTracker.Api -c Release -o /tmp/publish/api
 
@@ -52,5 +46,4 @@ jobs:
           echo "Deploying CalorieTracker API..."
           mkdir -p /opt/calorie-tracker
           cp -r /tmp/publish/api/* /opt/calorie-tracker/
-          # Restart API service (if running as systemd)
           sudo systemctl restart calorie-tracker || echo "API service not yet configured"