don't build hiedb-indexer with GHC 9.4, it's not ready

Author: simonmar

.github/workflows/ci.yml

@@ -171,7 +171,7 @@ jobs:
       - name: Build glean-clang
         run: make glean-clang
 
-      - if: matrix.ghc != '8.6.5'
+      - if: matrix.ghc != '8.6.5' && matrix.ghc != '9.4.7'
         name: Build hiedb-indexer
         run: make glean-hiedb
 

glean.cabal.in

@@ -1085,7 +1085,7 @@ executable hack-derive
 -- Haskell indexer via hiedb
 executable hiedb-indexer
     import: deps, fb-haskell, exe
-    if impl(ghc >= 8.8)
+    if impl(ghc >= 8.8 && < 9.4)
       buildable: True
     else
       buildable: False