Switch to supported ubuntu image

vitaut · vitaut · commit d570a1c98224 · 2025-03-02T09:15:17.000-08:00
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
@@ -7,7 +7,7 @@ permissions:
 
 jobs:
   build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         cxx: [g++-4.9, g++-10, clang++-9]
