Add EF migration drift check to PR workflow

Agent-Logs-Url: https://github.com/IntelliTect/EssentialCSharp.Web/sessions/3732bf6c-e6ba-4e30-a7e4-83933137a7fc

Co-authored-by: BenjaminMichaelis <22186029+BenjaminMichaelis@users.noreply.github.com>

Author: Copilot

.github/workflows/PR-Build-And-Test.yml

@@ -31,9 +31,17 @@ jobs:
       - name: Restore with dotnet
         run: dotnet restore /p:AccessToNugetFeed=false
 
+      - name: Restore local dotnet tools
+        run: dotnet tool restore
+
       - name: Build with dotnet
         run: dotnet build --configuration Release --no-restore /p:AccessToNugetFeed=false
 
+      - name: Check for pending EF Core model changes
+        run: dotnet ef migrations has-pending-model-changes --project EssentialCSharp.Web --configuration Release --no-build
+        env:
+          ASPNETCORE_ENVIRONMENT: Development
+
       - name: Expose GitHub Actions Runtime
         uses: actions/github-script@v9
         with: