Update build-wheels.yml

Author: jblindsay

.github/workflows/build-wheels.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         # os: [ubuntu-latest, windows-latest, macOS-latest, ubuntu-20.04, ]
-        os: [ubuntu-20.04] #, windows-latest, macos-12, macOS-latest]
+        os: [ubuntu-22.04] #, windows-latest, macos-12, macOS-latest]
         python-version: ['3.11']
 
     steps: