Fix GHC 9.2 warnings and deprecations

- Fix GHC 9.2 warnings
- Convert comments to proper deprecations

graphql.cabal

@@ -1,7 +1,7 @@
 cabal-version: 2.4
 
 name:           graphql
-version:        1.0.3.0
+version:        1.1.0.0
 synopsis:       Haskell GraphQL implementation
 description:    Haskell <https://spec.graphql.org/June2018/ GraphQL> implementation.
 category:       Language
@@ -22,7 +22,7 @@ extra-source-files:
   README.md
 tested-with:
   GHC == 8.10.7,
-  GHC == 9.2.3
+  GHC == 9.2.4
 
 source-repository head
   type: git
@@ -30,7 +30,7 @@ source-repository head
 
 flag Json
   description: Whether to build against @aeson 1.x@
-  default: True
+  default: False
   manual: True
 
 library