Fix old-school builds

Author: mrbean-bremen

.github/workflows/build.yml

@@ -3,7 +3,7 @@ name: Build
 on:
   push:
     branches: 
-      - master
+      - fix-oldschool
   pull_request:
 
 concurrency:
@@ -28,7 +28,7 @@ jobs:
     - name: Install Qt
       run: |
         apt-get update
-        DEBIAN_FRONTEND=noninteractive apt-get install -y --force-yes \
+        DEBIAN_FRONTEND=noninteractive apt-get install -y --force-yes -m \
         build-essential \
         python3 \
         python3-dev \