chore: downgrade Linux runner version

Author: w568w

.github/workflows/ci_linux.yml

@@ -10,7 +10,7 @@ on:
 
 jobs:
   Automated-CI-Linux:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04 # libwpewebkit-1.0-dev isn't available on 24.04 yet.
     steps:
       - name: Checkout
         uses: actions/checkout@v2