workflows: Disable doctests

Unfortunately, doctests are causing random failures in the CI so they
are being disabled for now. They are still enabled in the ebuild when
using `USE="test"`.

Signed-off-by: hololeap <[email protected]>

Author: hololeap

.github/workflows/haskell.yml

@@ -51,5 +51,5 @@ jobs:
         cabal build --only-dependencies
     - name: Build
       run: cabal build
-    - name: Run all enabled tests
-      run: cabal test --test-option=--color --test-show-details=streaming
+    - name: Run spec test
+      run: cabal test --test-option=--color --test-show-details=streaming spec

hackport.cabal

@@ -1003,6 +1003,9 @@ test-suite doctests
 
 test-suite doctests-v2
   import:             warnings
+  -- doctests-v2 is causing problems, looking for ghc lib and alex on
+  -- github CI. This may be fixable.
+  buildable:          False
   type:               exitcode-stdio-1.0
   default-language:   Haskell98
   hs-source-dirs:     tests/doctests-v2