update lints (#106)

diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index a8424fc..e6d970b 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -41,7 +41,7 @@
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        sdk: ['3.0', dev]
+        sdk: ['3.4', dev]
     steps:
     - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
     - uses: dart-lang/setup-dart@0a8a0fc875eb934c15d08629302413c671d3f672
diff --git a/lib/cli_logging.dart b/lib/cli_logging.dart
index 6f206b2..dda287b 100644
--- a/lib/cli_logging.dart
+++ b/lib/cli_logging.dart
@@ -4,7 +4,7 @@
 
 /// This library contains functionality to help command-line utilities to easily
 /// create aesthetic output.
-library cli_logging;
+library;
 
 import 'dart:async';
 import 'dart:io' as io;
diff --git a/lib/cli_util.dart b/lib/cli_util.dart
index 82ce9ea..e497d68 100644
--- a/lib/cli_util.dart
+++ b/lib/cli_util.dart
@@ -3,7 +3,7 @@
 // BSD-style license that can be found in the LICENSE file.
 
 /// Utilities to locate the Dart SDK.
-library cli_util;
+library;
 
 import 'dart:async';
 import 'dart:io';
diff --git a/pubspec.yaml b/pubspec.yaml
index a28627f..0368152 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -4,12 +4,12 @@
 repository: https://github.com/dart-lang/cli_util
 
 environment:
-  sdk: ^3.0.0
+  sdk: ^3.4.0
 
 dependencies:
-  meta: ^1.3.0
+  meta: ^1.7.0
   path: ^1.8.0
 
 dev_dependencies:
-  dart_flutter_team_lints: ^2.0.0
-  test: ^1.16.0
+  dart_flutter_team_lints: ^3.0.0
+  test: ^1.20.0