Bump flutter_lints from 2.0.2 to 2.0.3 in /auto_submit (#3020)

Bumps [flutter_lints](https://github.com/flutter/packages/tree/main/packages) from 2.0.2 to 2.0.3.
<details>
<summary>Commits</summary>
<ul>
<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><a href="https://github.com/flutter/packages/commit/b279959117743c38dfb5a80eddfaae608ed8658c"><code>b279959</code></a> [pigeon] Update auto-formatting (<a href="https://github.com/flutter/packages/tree/main/packages/issues/1251">#1251</a>)</li>
<li><a href="https://github.com/flutter/packages/commit/017d64da8ed3e977a79f8f82ef40280d7057ffc0"><code>017d64d</code></a> [ci] Run analysis with older versions of Flutter (<a href="https://github.com/flutter/packages/tree/main/packages/issues/1152">#1152</a>)</li>
<li><a href="https://github.com/flutter/packages/commit/dbecc2c6f01ef680f708d4c840924086f3ac6c2d"><code>dbecc2c</code></a> [pigeon] Fix java crash for nullable nested type (<a href="https://github.com/flutter/packages/tree/main/packages/issues/1192">#1192</a>)</li>
<li><a href="https://github.com/flutter/packages/commit/59caeaf5b93a340d5b63a276f7f7919ff4073e30"><code>59caeaf</code></a> [go_router] Fix API of test mock. (<a href="https://github.com/flutter/packages/tree/main/packages/issues/1177">#1177</a>)</li>
<li><a href="https://github.com/flutter/packages/commit/bf29f5f18d1dcf45a6c098249c5fd40787945be0"><code>bf29f5f</code></a> [metrics_center] await future in metrics_center (<a href="https://github.com/flutter/packages/tree/main/packages/issues/1202">#1202</a>)</li>
<li><a href="https://github.com/flutter/packages/commit/6380b561130cb66bb144b57433dbbe56eaa65f75"><code>6380b56</code></a> [pigeon] implements background platform channels support (<a href="https://github.com/flutter/packages/tree/main/packages/issues/1022">#1022</a>)</li>
<li><a href="https://github.com/flutter/packages/commit/e2dd9502b2ccb3014ef985dcd656e3ada5b46563"><code>e2dd950</code></a> [pigeon] implements nullable arguments (<a href="https://github.com/flutter/packages/tree/main/packages/issues/895">#895</a>)</li>
<li>Additional commits viewable in <a href="https://github.com/flutter/packages/commits/pigeon-v2.0.3/packages">compare view</a></li>
</ul>
</details>
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auto_submit/pubspec.yaml

@@ -33,7 +33,7 @@ dependencies:
 dev_dependencies:
   build_runner: 2.4.6
   json_serializable: 6.7.1
-  flutter_lints: 2.0.2
+  flutter_lints: 2.0.3
   mockito: 5.4.2
   test: 1.24.6