ci: update GitHub Action to use Ubuntu 22.04 for builds

Author: wu-vincent

.github/workflows/build.yml

@@ -41,7 +41,7 @@ jobs:
 
   build_linux:
     name: Build on Ubuntu
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
       - name: Checkout Code