Update to GHC 9.4.5

Author: monadplus

CPP.cabal

@@ -13,15 +13,15 @@ synopsis:
 description:
 category:
 extra-source-files:
-tested-with:        GHC ==9.2.7
+tested-with:        GHC ==9.2.8, GHC ==9.4.5
 
 source-repository head
   type:     git
   location: https://github.com/monadplus/CPP.git
 
 common common-options
   default-language:   Haskell2010
-  build-depends:      base ^>=4.16
+  build-depends:      base ^>=4.17
   ghc-options:
     -Wall -Wcompat -Widentities -Wincomplete-uni-patterns
     -Wincomplete-record-updates -Wredundant-constraints