Update codeql.yml

Update CodeQL to exclude .g.cs files

Author: jas88

.github/workflows/codeql.yml

@@ -19,8 +19,6 @@ jobs:
 
     strategy:
       fail-fast: false
-      matrix:
-        language: [ csharp ]
 
     steps:
       - name: Checkout
@@ -29,13 +27,29 @@ jobs:
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3
         with:
-          languages: ${{ matrix.language }}
+          languages: csharp
           queries: +security-and-quality
 
-      - name: Autobuild
-        uses: github/codeql-action/autobuild@v3
+      - name: Build
+        run: dotnet build -c Debug
 
       - name: Perform CodeQL Analysis
         uses: github/codeql-action/analyze@v3
         with:
-          category: "/language:${{ matrix.language }}"
+          category: "/language:csharp"
+          upload: False
+          output: sarif-results
+
+      - name: filter-sarif
+        uses: advanced-security/filter-sarif@v1
+        with:
+          patterns: |
+            +**/*
+            -**/*.g.cs
+          input: sarif-results/csharp.sarif
+          output: sarif-results/csharp.sarif
+
+      - name: Upload SARIF
+        uses: github/codeql-action/upload-sarif@v3
+        with:
+          sarif_file: sarif-results/csharp.sarif