Test hpack, registry and butcher

build-constraints.yaml

@@ -1376,7 +1376,7 @@ packages:
         - ghc-events < 0 # build failure with GHC 8.4
         - monad-extras
         - optparse-simple
-        - hpack < 0 # MonadFail https://github.com/sol/hpack/issues/371
+        - hpack
         - bindings-uname
         - stack < 9.9.9 # see https://github.com/fpco/stackage/issues/3563
         - stack < 0 # via hackage-security
@@ -4019,7 +4019,7 @@ packages:
         - kazura-queue
 
     "Eric Torreborre <etorreborre@yahoo.com> @etorreborre":
-        - registry < 0 # also protolude, semigroups, universum
+        - registry
 
     "Ryota Kameoka <kameoka.ryota@gmail.com> @ryota-ka":
         - duration
@@ -5588,9 +5588,6 @@ expected-haddock-failures:
 
     # https://github.com/haskell/haddock/issues/1091
     - vault
-
-    # https://github.com/commercialhaskell/stackage/issues/5299
-    - butcher
 # end of expected-haddock-failures
 
 # For packages with haddock issues