Bump flutter_lints from 2.0.3 to 3.0.0 in /homescreen_codelab/step_04 (…

…#1953)

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Bumps [flutter_lints](https://github.com/flutter/packages/tree/main/packages) from 2.0.3 to 3.0.0.
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/flutter/packages/commit/3f8a5029fbb4f79f94ade1c937826b434f335469"><code>3f8a502</code></a> [pigeon] Remove support for non-NNBD (<a href="https://github.com/flutter/packages/tree/main/packages/issues/1524">#1524</a>)</li>
<li><a href="https://github.com/flutter/packages/commit/4eda7ad208d00283e1de2a65e3e803dfe9bd6d75"><code>4eda7ad</code></a> [pigeon] Fixes bug where Dart <code>FlutterApi</code>s would assert that a nullable argu...</li>
<li><a href="https://github.com/flutter/packages/commit/dff39d7b48e098cff055f472d116e662b358f3c0"><code>dff39d7</code></a> [go_router]refactor runtime check to assert (<a href="https://github.com/flutter/packages/tree/main/packages/issues/1362">#1362</a>)</li>
<li><a href="https://github.com/flutter/packages/commit/5600590b500ea5be8fea94642439e9c3bc008767"><code>5600590</code></a> [go_router] Export inherited_go_router.dart file (<a href="https://github.com/flutter/packages/tree/main/packages/issues/1145">#1145</a>)</li>
<li><a href="https://github.com/flutter/packages/commit/d8bf76e582c3514e7c0533de3085e70bdd847bb8"><code>d8bf76e</code></a> [flutter_markdown] Remove build status from <code>README.md</code> (<a href="https://github.com/flutter/packages/tree/main/packages/issues/1326">#1326</a>)</li>
<li><a href="https://github.com/flutter/packages/commit/bc223c127202bce429901c1070247f7bb93abe9d"><code>bc223c1</code></a> Remove checked in binaries from flutter/packages. (<a href="https://github.com/flutter/packages/tree/main/packages/issues/1338">#1338</a>)</li>
<li><a href="https://github.com/flutter/packages/commit/aff9cccafbe47913f1473e47b902585dc3079a8b"><code>aff9ccc</code></a> [rfw] Run tests for package:rfw on stable as well. (<a href="https://github.com/flutter/packages/tree/main/packages/issues/888">#888</a>)</li>
<li><a href="https://github.com/flutter/packages/commit/84a2e796d7e5bbe8684cfaf4df0b0aeefab18042"><code>84a2e79</code></a> [Pigeon] Make the generated Java Builder class final (<a href="https://github.com/flutter/packages/tree/main/packages/issues/1247">#1247</a>)</li>
<li><a href="https://github.com/flutter/packages/commit/a9d6bf14ba011c8389dc2e8db713ae245a7c7293"><code>a9d6bf1</code></a> [go_router] improve coverage (<a href="https://github.com/flutter/packages/tree/main/packages/issues/977">#977</a>)</li>
<li><a href="https://github.com/flutter/packages/commit/202fb329c970baf647547594cb3d18fa85fcdc68"><code>202fb32</code></a> [flutter_lints] version 2.0 (<a href="https://github.com/flutter/packages/tree/main/packages/issues/1165">#1165</a>)</li>
<li>Additional commits viewable in <a href="https://github.com/flutter/packages/commits/pigeon-v3.0.0/packages">compare view</a></li>
</ul>
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homescreen_codelab/step_04/pubspec.yaml

@@ -19,7 +19,7 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  flutter_lints: ^2.0.0
+  flutter_lints: ^3.0.0
 
 flutter:
   uses-material-design: true