Update build.yml to use Ubuntu 22 instead of 20

Author: MarshalX

.github/workflows/build.yml

@@ -10,7 +10,7 @@ on:
 jobs:
   build:
     name: Build
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
     - name: Checkout repository.