v3.8.0

New Features

• Added OperationBuilder::build_with_variables_inlined which can be used to
  build a query string with variables inlined (#1012)
• Added QueryVariableLiterals, a trait & derive macro that can be used to
  enable dynamic fetching of variables (#1009)

Bug Fixes

• The generator now consistently renames arguments that share names with rust
  keywords (#1005)
• The generator will no longer panic when using a fragment with an interface
  as its type condition (#994)

Bug Fixes

• Tidied up the output of object & list literals in the clients GraphQl output.