Bump flutter_lints from 2.0.3 to 3.0.0 in /code_sharing/client (#2063)

⚠️  **Dependabot is rebasing this PR** ⚠️ 

Rebasing might not happen immediately, so don't worry if this takes some time.

Note: if you make any changes to this PR yourself, they will take precedence over the rebase.

---

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="3f8a5029fb"><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="4eda7ad208"><code>4eda7ad</code></a> [pigeon] Fixes bug where Dart <code>FlutterApi</code>s would assert that a nullable argu...</li>
<li><a href="dff39d7b48"><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="5600590b50"><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="d8bf76e582"><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="bc223c1272"><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="aff9cccafb"><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="84a2e796d7"><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="a9d6bf14ba"><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="202fb329c9"><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>
</details>
<br />

[![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=flutter_lints&package-manager=pub&previous-version=2.0.3&new-version=3.0.0)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`.

---

<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
- `@dependabot rebase` will rebase this PR
- `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it
- `@dependabot merge` will merge this PR after your CI passes on it
- `@dependabot squash and merge` will squash and merge this PR after your CI passes on it
- `@dependabot cancel merge` will cancel a previously requested merge and block automerging
- `@dependabot reopen` will reopen this PR if it is closed
- `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
- `@dependabot show <dependency name> ignore conditions` will show all of the ignore conditions of the specified dependency
- `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
- `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
- `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

</details>

code_sharing/client/pubspec.yaml

@@ -15,7 +15,7 @@ dependencies:
     path: ../shared
 
 dev_dependencies:
-  flutter_lints: ^2.0.0
+  flutter_lints: ^3.0.0
   flutter_test:
     sdk: flutter