Merge pull request #375 from Syllo/runner-update

[CI] Remove retired ubuntu runner

Author: Syllo

.github/workflows/compile.yml

@@ -12,7 +12,7 @@ jobs:
       fail-fast: false
 
       matrix:
-        os: [ubuntu-24.04, ubuntu-22.04, ubuntu-20.04]
+        os: [ubuntu-latest, ubuntu-24.04, ubuntu-22.04]
 
     env:
       BUILD_DIR: build