reduces codeql surface

Author: Jake Soenneker

.github/workflows/codeql.yml

@@ -3,7 +3,8 @@ name: codeql
 on:
   push:
     branches: [ "main" ]
-
+    paths-ignore:
+      - 'test/**'
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -19,22 +20,26 @@ jobs:
     runs-on: ubuntu-latest
     name: CodeQL Analysis
 
-    strategy:
-      fail-fast: false
-      matrix:
-        language: [ 'csharp' ]
-
     steps:
       - name: Checkout repository
         uses: actions/checkout@v6
 
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v5
+        with:
+          dotnet-version: '10.x'
+
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v4
         with:
-          languages: ${{ matrix.language }}
+          languages: csharp
+          build-mode: manual
+
+      - name: Restore src
+        run: dotnet restore ./src
 
-      - name: Autobuild
-        uses: github/codeql-action/autobuild@v4
+      - name: Build src
+        run: dotnet build ./src --no-restore -c Release
 
       - name: Perform CodeQL Analysis
         uses: github/codeql-action/analyze@v4