Reduce CodeQL time to run

.github/codeql-config.yml

@@ -0,0 +1,18 @@
+# Copyright 2021-2022 MONAI Consortium
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: "CodeQL config"
+
+paths:
+  - src

.github/workflows/codeql.yml

@@ -20,6 +20,9 @@ on:
     branches:
       - 'develop'
       - 'main'
+    paths:
+      - src/**
+      - !**.csproj
   workflow_dispatch:
 
 env:
@@ -55,6 +58,7 @@ jobs:
       uses: github/codeql-action/init@v2
       with:
         languages: csharp
+        config-file: ./.github/codeql-config.yml
 
     - name: Restore Solution
       run: dotnet restore Monai.Deploy.WorkflowManager.sln