Support ghc 9.12

Author: erikd

parallel.cabal

@@ -65,7 +65,7 @@ library
 
     build-depends:
         array      >= 0.3 && < 0.6,
-        base       >= 4.3 && < 4.21,
+        base       >= 4.3 && < 4.22,
         containers >= 0.4 && < 0.8,
         deepseq    >= 1.1 && < 1.6