Set tested-with to the verified GHC window

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Author: cchalmers

diagrams-pandoc.cabal

@@ -17,7 +17,7 @@ build-type:          Simple
 Bug-reports:         http://github.com/diagrams/diagrams-pandoc/issues
 Extra-source-files:  README.md, test/*.md, test/*.html
 extra-doc-files:     CHANGELOG.md
-Tested-with:         GHC ==9.2.8 || ==9.4.8 || ==9.6.5 || ==9.8.2 || ==9.10.1 || ==9.12.1
+Tested-with:         GHC ==9.6.7 || ==9.8.4 || ==9.10.2 || ==9.12.2
 Source-repository head
   type:     git
   location: http://github.com/diagrams/diagrams-pandoc.git