Update shiftleft-analysis.yml

add dotnet build steps

Author: jbies121

.github/workflows/shiftleft-analysis.yml

@@ -17,6 +17,15 @@ jobs:
     # 2. Compile or build the project before invoking scan
     #    Example: mvn compile, or npm install or pip install goes here
     # 3. Invoke Scan with the github token. Leave the workspace empty to use relative url
+    - name: Setup .NET Core
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: 3.1.301
+    - name: Install dependencies
+      run: dotnet restore
+    - name: Build
+      run: dotnet build --configuration Release --no-restore
+    # End .NET Core setup steps
 
     - name: Perform Scan
       uses: ShiftLeftSecurity/scan-action@master