feat: Bump lints from 4.0.0 to 6.0.0 in /packages/dart

packages/dart/lib/parse_server_sdk.dart

@@ -1,5 +1,4 @@
 // ignore_for_file: unnecessary_import
-library flutter_parse_sdk;
 
 import 'dart:async';
 import 'dart:convert';

packages/dart/lib/src/network/http_client_io.dart

@@ -1,6 +1,6 @@
 import 'dart:io';
 import 'package:http/io_client.dart';
 
-getClient(SecurityContext securityContext) {
+IOClient getClient(SecurityContext securityContext) {
   return IOClient(HttpClient(context: securityContext));
 }

packages/dart/lib/src/network/http_client_js.dart

@@ -1,5 +1,5 @@
 import 'package:http/browser_client.dart';
 
-getClient(dynamic securityContext) {
+BrowserClient getClient(dynamic securityContext) {
   return BrowserClient();
 }

packages/dart/lib/src/network/parse_dio_client.dart

@@ -68,8 +68,10 @@ class ParseDioClient extends ParseClient {
           statusCode: error.response?.statusCode ?? ParseError.otherCause,
         );
       } else {
-        return _getOtherCaseErrorForParseNetworkResponse(
-          error.error.toString(),
+        return ParseNetworkByteResponse(
+          data:
+              "{\"code\":${ParseError.otherCause},\"error\":\"${error.error.toString()}\"}",
+          statusCode: ParseError.otherCause,
         );
       }
     }
@@ -160,7 +162,7 @@ class ParseDioClient extends ParseClient {
     }
   }
 
-  _getOtherCaseErrorForParseNetworkResponse(String error) {
+  ParseNetworkResponse _getOtherCaseErrorForParseNetworkResponse(String error) {
     return ParseNetworkResponse(
       data: "{\"code\":${ParseError.otherCause},\"error\":\"$error\"}",
       statusCode: ParseError.otherCause,

packages/dart/lib/src/objects/parse_installation.dart

@@ -276,7 +276,7 @@ class ParseInstallation extends ParseObject {
     await save();
   }
 
-  ///Returns an <List<String>> containing all the channel names this device is subscribed to.
+  ///Returns a `List<String>` containing all the channel names this device is subscribed to.
   Future<List<dynamic>> getSubscribedChannels() async {
     print('getSubscribedChannels');
     final ParseResponse apiResponse = await ParseObject(

packages/dart/pubspec.yaml

@@ -42,7 +42,7 @@ dependencies:
   cross_file: ^0.3.3+8
 
 dev_dependencies:
-  lints: ^4.0.0
+  lints: ">=4.0.0 <7.0.0"
 
   # Testing
   build_runner: ^2.4.9

packages/dart/test/src/objects/parse_base_test.dart

@@ -5,7 +5,7 @@ import 'package:test/test.dart';
 import '../../parse_query_test.mocks.dart';
 import '../../test_utils.dart';
 
-main() {
+void main() {
   setUpAll(() async {
     await initializeParse();
   });