correct the tested-with field

Author: andrewthad

bytesmith.cabal

@@ -16,7 +16,7 @@ maintainer:      amartin@layer3com.com
 copyright:       2019 Andrew Martin
 category:        Data
 extra-doc-files: CHANGELOG.md
-tested-with:     ==9.6.3 || ==9.8.1
+tested-with:     GHC ==9.6.3 || ==9.8.1
 
 common build-settings
   default-language: Haskell2010