Bump GHC version to 9.11

Author: bgamari

haddock-api/src/Haddock/InterfaceFile.hs

@@ -125,7 +125,7 @@ binaryInterfaceMagic = 0xD0Cface
 -- (2) set `binaryInterfaceVersionCompatibility` to [binaryInterfaceVersion]
 --
 binaryInterfaceVersion :: Word16
-#if MIN_VERSION_ghc(9,9,0) && !MIN_VERSION_ghc(9,11,0)
+#if MIN_VERSION_ghc(9,9,0) && !MIN_VERSION_ghc(9,12,0)
 binaryInterfaceVersion = 44
 
 binaryInterfaceVersionCompatibility :: [Word16]

haddock.cabal

@@ -83,7 +83,7 @@ executable haddock
       xhtml >= 3000.2 && < 3000.3,
       ghc-boot,
       ghc-boot-th,
-      ghc == 9.10.*,
+      ghc == 9.11.*,
       bytestring,
       parsec,
       text,