Try to fix build again

Author: cdgriffith

.github/workflows/build.yaml

@@ -9,7 +9,7 @@ jobs:
   build-nix:
     strategy:
       matrix:
-        os: [ ubuntu-22, macos-12 ]
+        os: [ ubuntu-22.04, macos-12 ]
     runs-on: ${{ matrix.os }}
 
     steps: