message: fix: regression for variable def completion
  impacts graphiql, codemirror-graphql, monaco-graphql, and the lsp server. non null list types as variables had a parser bugfix, and we overlooked how that impacted code completion for variable definitions
diff: @@ -186,7 +186,8 @@ export function getAutocompleteSuggestions(
  (kind === RuleKinds.NAMED_TYPE &&
  state.prevState &&
  (state.prevState.kind === RuleKinds.VARIABLE_DEFINITION ||
  - state.prevState.kind === RuleKinds.LIST_TYPE))
  + state.prevState.kind === RuleKinds.LIST_TYPE ||
  + state.prevState.kind === RuleKinds.NON_NULL_TYPE))
  ) {
  return getSuggestionsForVariableDefinition(token, schema, kind);
  }
  