title: Requires SDK version >=2.16.0 <3.0.0, version solving failed
body: <p>The current Dart SDK version is 2.14.4.</p>
  <p>Because trackkit requires SDK version &gt;=2.16.0 &lt;3.0.0, version solving failed.
  pub finished with exit code 1</p>
  <p>My pubspec.yaml :</p>
  <pre><code>    environment:
    sdk: &quot;&gt;=2.16.0 &lt;3.0.0&quot;
  </code></pre>
  <p>after running flutter master:</p>
  <pre><code>Flutter is already up to date on channel master
  Flutter 2.13.0-0.0.pre.145 • channel master • https://github.com/flutter/flutter.git
  Framework • revision de4eb16254 (3 hours ago) • 2022-03-18 06:00:24 -0400
  Engine • revision edf31ab695
  Tools • Dart 2.17.0 (build 2.17.0-220.0.dev) • DevTools 2.11.4
  
  </code></pre>
  <p>It shows that my Dart is upgraded to 2.17.0 ? I am still unable to run!</p>