Merge pull request #293 from bgamari/ghc-9.8

Bump base bound to <4.20

process.cabal

@@ -81,10 +81,10 @@ library
 
     ghc-options: -Wall
 
-    build-depends: base      >= 4.10 && < 4.19,
+    build-depends: base      >= 4.10 && < 4.20,
                    directory >= 1.1 && < 1.4,
                    filepath  >= 1.2 && < 1.5,
-                   deepseq   >= 1.1 && < 1.5
+                   deepseq   >= 1.1 && < 1.6
 
 test-suite test
   default-language: Haskell2010