github: 22.04

Author: wsnyder

.github/workflows/build.yml

@@ -4,12 +4,13 @@ name: build
 on:
   push:
   pull_request:
+  workflow_dispatch:
   schedule:
     - cron: '0 0 * * 0' # weekly
 
 jobs:
   build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout
         uses: actions/checkout@v2