Bumps [http](https://github.com/dart-lang/http/tree/master/pkgs) from
1.2.1 to 1.2.2.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/dart-lang/http/releases">http's
releases</a>.</em></p>
<blockquote>
<h2>package:http v1.2.2</h2>
<ul>
<li>Require package <code>web: '&gt;=0.5.0 &lt;2.0.0'</code>.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/dart-lang/http/commit/757438e938ebe81f4b130e6372897b5f977615a6"><code>757438e</code></a>
Bump pkg:web dependency (<a
href="https://github.com/dart-lang/http/tree/master/pkgs/issues/1272">#1272</a>)</li>
<li><a
href="https://github.com/dart-lang/http/commit/a6d9f720a3940b4c9c902a9a63ba126a97eca7b5"><code>a6d9f72</code></a>
web_socket: allow latest pkg:web (<a
href="https://github.com/dart-lang/http/tree/master/pkgs/issues/1269">#1269</a>)</li>
<li><a
href="https://github.com/dart-lang/http/commit/edbb5a9711570afa46e2ae9fca8cf8366f672715"><code>edbb5a9</code></a>
Add WebSocket usage examples to cupertino_http (<a
href="https://github.com/dart-lang/http/tree/master/pkgs/issues/1266">#1266</a>)</li>
<li><a
href="https://github.com/dart-lang/http/commit/760564fad17fc2a62a7933b2e2db822d003e2dfe"><code>760564f</code></a>
Prepare to publish cupertino_http 1.5.1 (<a
href="https://github.com/dart-lang/http/tree/master/pkgs/issues/1264">#1264</a>)</li>
<li><a
href="https://github.com/dart-lang/http/commit/fd2c60ec7fca72f6d4216ed6dc86944c872d9282"><code>fd2c60e</code></a>
Remove <code>runWithClient</code> Flutter example (<a
href="https://github.com/dart-lang/http/tree/master/pkgs/issues/1263">#1263</a>)</li>
<li><a
href="https://github.com/dart-lang/http/commit/fece5b379ccc15c05c5771298a2dc229605a616b"><code>fece5b3</code></a>
Document that widgets must be initialized before using the cronet_http
(<a
href="https://github.com/dart-lang/http/tree/master/pkgs/issues/1262">#1262</a>)</li>
<li><a
href="https://github.com/dart-lang/http/commit/3be82887eab7c02db10098e23a049ff1b8d9cffd"><code>3be8288</code></a>
Prepare to publish cronet_http 1.3.2 (<a
href="https://github.com/dart-lang/http/tree/master/pkgs/issues/1265">#1265</a>)</li>
<li><a
href="https://github.com/dart-lang/http/commit/068308b0ea6fceaaa94ba57dc9d0d568280f28f3"><code>068308b</code></a>
Upgrade jni and jnigen to 0.10.1 and 0.10.0 (<a
href="https://github.com/dart-lang/http/tree/master/pkgs/issues/1261">#1261</a>)</li>
<li><a
href="https://github.com/dart-lang/http/commit/4178b67e7970ff02926e79649db5ab473b46cf30"><code>4178b67</code></a>
Clarify when Client.close must be called (<a
href="https://github.com/dart-lang/http/tree/master/pkgs/issues/1255">#1255</a>)</li>
<li><a
href="https://github.com/dart-lang/http/commit/719dc5f43e3d81ed24f499f122b58be2eb933b4c"><code>719dc5f</code></a>
Upgrade to http_image_provider: 0.0.3 (<a
href="https://github.com/dart-lang/http/tree/master/pkgs/issues/1253">#1253</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/dart-lang/http/commits/http-v1.2.2/pkgs">compare
view</a></li>
</ul>
</details>
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