Re-enabled conduit-aeson (closes #7231).

build-constraints.yaml

@@ -3993,7 +3993,7 @@ packages:
         - safe-decimal
         - flush-queue
         - pvar
-        - conduit-aeson < 0 # 0.1.0.1 https://github.com/commercialhaskell/stackage/issues/7231
+        - conduit-aeson
         - vector-stream
         - FailT
 
@@ -9109,7 +9109,6 @@ expected-test-failures:
     - cabal-file-th # 0.2.7
     - cacophony # 0.10.1 https://github.com/centromere/cacophony/issues/15
     - cereal # 0.5.8.3 https://github.com/GaloisInc/cereal/issues/109
-    - conduit-aeson # https://github.com/commercialhaskell/stackage/issues/6469
     - conduit-connection # 0.1.0.5
     - cryptohash # 0.11.9 Stack builds test and benchmarks in one pass so benchmark could prevent tests from getting built
     - do-notation # 0.1.0.2