build on u22.04 to keep python3.7 build action

Author: Teque5

.github/workflows/main.yml

@@ -9,7 +9,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         python-version: ["3.7", "3.9", "3.12"]