Autobuild fails (unsurprisingly). Use Frontends.sln for building instead of full ILSpy

.github/workflows/codeql-analysis.yml

@@ -29,16 +29,17 @@ jobs:
 
     # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
     # If this step fails, then you should remove it and run the build manually (see below)
-    - name: Autobuild
-      uses: github/codeql-action/autobuild@v1
+    #- name: Autobuild
+    #  uses: github/codeql-action/autobuild@v1
 
-    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
-    #    and modify them (or add more) to build your code if your project
-    #    uses a compiled language
-
-    #- run: |
-    #   make bootstrap
-    #   make release
+    - name: Setup .NET Core
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: 3.1.x
+    - name: Install dependencies
+      run: dotnet restore Frontends.sln
+    - name: Build
+      run: dotnet build Frontends.sln --configuration Debug --no-restore
 
     - name: Perform CodeQL Analysis
       uses: github/codeql-action/analyze@v1