Fix pokemon example dependencies and uri

The old API was down and it was moved to this new endpoint lucasbento/graphql-pokemon#14
Also updates build_runner version to avoid incompatible version with artemis

example/pokemon/lib/main.dart

@@ -7,7 +7,7 @@ import 'graphql/simple_query.dart';
 
 Future<void> main() async {
   final client = ArtemisClient(
-    'https://graphql-pokemon.now.sh/graphql',
+    'https://graphql-pokemon2.vercel.app',
   );
 
   final simpleQuery = SimpleQueryQuery();
@@ -21,9 +21,9 @@ Future<void> main() async {
   final bigQueryResponse = await client.execute(bigQuery);
   client.dispose();
 
-  print('Simple query response: ${simpleQueryResponse.data.pokemon.number}');
+  print('Simple query response: ${simpleQueryResponse.data?.pokemon?.number}');
 
-  for (final pokemon in bigQueryResponse.data.pokemons) {
+  for (final pokemon in bigQueryResponse.data?.pokemons ?? []) {
     print('#${pokemon.number}: ${pokemon.name}');
   }
 }

example/pokemon/pubspec.lock

@@ -7,14 +7,14 @@ packages:
       name: _fe_analyzer_shared
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "20.0.0"
+    version: "22.0.0"
   analyzer:
     dependency: transitive
     description:
       name: analyzer
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.4.0"
+    version: "1.7.1"
   args:
     dependency: transitive
     description:
@@ -28,7 +28,7 @@ packages:
       path: "../.."
       relative: true
     source: path
-    version: "7.0.0-beta.3.3"
+    version: "7.0.0-beta.13"
   async:
     dependency: transitive
     description:
@@ -49,42 +49,42 @@ packages:
       name: build
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.0.2"
   build_config:
     dependency: transitive
     description:
       name: build_config
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.7"
+    version: "1.0.0"
   build_daemon:
     dependency: transitive
     description:
       name: build_daemon
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.10"
+    version: "3.0.0"
   build_resolvers:
     dependency: transitive
     description:
       name: build_resolvers
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.0.3"
   build_runner:
     dependency: "direct dev"
     description:
       name: build_runner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.12.2"
+    version: "2.0.4"
   build_runner_core:
     dependency: transitive
     description:
       name: build_runner_core
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "6.1.12"
+    version: "7.0.0"
   built_collection:
     dependency: transitive
     description:
@@ -98,7 +98,7 @@ packages:
       name: built_value
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "8.0.4"
+    version: "8.0.6"
   charcode:
     dependency: transitive
     description:
@@ -126,7 +126,7 @@ packages:
       name: code_builder
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.7.0"
+    version: "4.0.0"
   collection:
     dependency: transitive
     description:
@@ -161,14 +161,14 @@ packages:
       name: dart_style
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.0.1"
   equatable:
     dependency: transitive
     description:
       name: equatable
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.0.3"
   file:
     dependency: transitive
     description:
@@ -183,6 +183,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.0"
+  frontend_server_client:
+    dependency: transitive
+    description:
+      name: frontend_server_client
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
   glob:
     dependency: transitive
     description:
@@ -196,56 +203,56 @@ packages:
       name: gql
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.13.0-nullsafety.2"
+    version: "0.13.0"
   gql_code_builder:
     dependency: transitive
     description:
       name: gql_code_builder
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.0-nullsafety.0"
+    version: "0.2.0"
   gql_dedupe_link:
     dependency: transitive
     description:
       name: gql_dedupe_link
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0-nullsafety.1"
+    version: "2.0.0"
   gql_exec:
     dependency: transitive
     description:
       name: gql_exec
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.3.0-nullsafety.2"
+    version: "0.3.0"
   gql_http_link:
     dependency: transitive
     description:
       name: gql_http_link
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.0-nullsafety.1"
+    version: "0.4.0"
   gql_link:
     dependency: transitive
     description:
       name: gql_link
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.0-nullsafety.3"
+    version: "0.4.0"
   graphs:
     dependency: transitive
     description:
       name: graphs
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.0"
+    version: "2.0.0"
   http:
     dependency: "direct main"
     description:
       name: http
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.13.1"
+    version: "0.13.3"
   http_multi_server:
     dependency: transitive
     description:
@@ -287,7 +294,7 @@ packages:
       name: json_serializable
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.1.0"
+    version: "4.1.3"
   logging:
     dependency: transitive
     description:
@@ -371,7 +378,7 @@ packages:
       name: recase
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.0-nullsafety.0"
+    version: "4.0.0"
   shelf:
     dependency: transitive
     description:
@@ -406,7 +413,7 @@ packages:
       name: source_gen
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.0"
+    version: "1.0.2"
   source_map_stack_trace:
     dependency: transitive
     description:

example/pokemon/pubspec.yaml

@@ -12,7 +12,7 @@ dependencies:
 
 dev_dependencies:
   test: ^1.16.8
-  build_runner: ^1.12.2
+  build_runner: ^2.0.4
   json_serializable: ^4.1.0
   artemis:
     path: ../../.