Fix CodeQL build

Author: offa

.github/workflows/codeql.yml

@@ -3,6 +3,7 @@ name: codeql
 on:
   schedule:
     - cron: '0 5 * * 3'
+  push:
 
 jobs:
   codeql:
@@ -16,7 +17,9 @@ jobs:
       - name: Install dependencies
         run: |
           script/ci_setup.sh
-          apt-get install -y libboost-system-dev
+          add-apt-repository ppa:nicola-onorata/toolchain
+          apt-get update
+          apt-get install -y boost1.81
       - name: CodeQL Initialization
         uses: github/codeql-action/init@v3
         with: