Actually build everything

Author: michaelpj

.github/workflows/test.yml

@@ -101,7 +101,7 @@ jobs:
           os:  ${{ runner.os }}
 
       - name: Build
-        run: cabal build
+        run: cabal build all
 
       - name: Set test options
         # run the tests without parallelism, otherwise tasty will attempt to run