Update codeql.yml

.github/workflows/codeql.yml

@@ -1,10 +1,8 @@
 name: CodeQL
 
 on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
+  schedule:
+    - cron: "0 0 * * 1" # every Monday
 
 jobs:
   codeql:
@@ -42,16 +40,11 @@ jobs:
       with:
         languages: cpp
 
-    - name: Build init
-      run: |
-        bash build.sh init
-
     - name: Build project
       shell: bash
       run: |
         rm -rf build_debug
-        bash build.sh debug
-        cd build_debug && make -j4 && cd -
+        bash build.sh debug --init --make -j3
 
     - name: Perform CodeQL Analysis
       uses: github/codeql-action/analyze@v2