Bump intl from 0.18.1 to 0.19.0 in /background_isolate_channels (#2108)

Bumps [intl](https://github.com/dart-lang/i18n/tree/main/pkgs) from
0.18.1 to 0.19.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/dart-lang/i18n/releases">intl's
releases</a>.</em></p>
<blockquote>
<h2>package:intl v0.19.0</h2>
<ul>
<li>Update to CLDR v44.</li>
<li>Update to CLDR v43.</li>
<li>Add <code>tryParse</code> to NumberFormat.</li>
<li>Add <code>tryParse</code> <code>tryParseStrict</code>
<code>tryParseLoose</code> <code>tryParseUtc</code> to DateFormat.</li>
<li>Add fallback for deprecated locales, such as <code>he</code> <!--
raw HTML omitted --> <code>iw</code>.</li>
<li>Switch QAR currency name to Riyal.</li>
<li>Add license headers to some files.</li>
<li>Update CVE currency symbol.</li>
<li>Add <code>EEEEE</code> skeleton for <code>DateFormat</code>, closing
<a
href="https://redirect.github.com/dart-lang/i18n/issues/176">#176</a>.</li>
<li>Switch to <code>3.0.0</code> SDK.</li>
<li>Fix issue <a
href="https://redirect.github.com/dart-lang/i18n/issues/483">#483</a>
about date parsing with a <code>yy</code> skeleton.</li>
<li>Extract <code>NumberParserBase</code> abstract class</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="a1431f82d6"><code>a1431f8</code></a>
Switch changelog entries</li>
<li><a
href="bd86e2723a"><code>bd86e27</code></a>
Merge branch 'main' into publishIntl</li>
<li><a
href="5043160a82"><code>5043160</code></a>
No public description</li>
<li><a
href="2d75d73fd0"><code>2d75d73</code></a>
Publish <code>package:intl</code> v0.19.0</li>
<li><a
href="412ef68964"><code>412ef68</code></a>
No public description</li>
<li><a
href="2c82cd2bd0"><code>2c82cd2</code></a>
Dissolve <code>package:messages_deserializer</code> for pub publish (<a
href="https://github.com/dart-lang/i18n/tree/main/pkgs/issues/751">#751</a>)</li>
<li><a
href="f02f7484b6"><code>f02f748</code></a>
Fixes before publish (<a
href="https://github.com/dart-lang/i18n/tree/main/pkgs/issues/749">#749</a>)</li>
<li><a
href="c782918d84"><code>c782918</code></a>
Last fixes</li>
<li><a
href="2da7748e0f"><code>2da7748</code></a>
More fixes</li>
<li><a
href="7315909c2a"><code>7315909</code></a>
Reformat</li>
<li>Additional commits viewable in <a
href="https://github.com/dart-lang/i18n/commits/intl-v0.19.0/pkgs">compare
view</a></li>
</ul>
</details>
<br />


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background_isolate_channels/pubspec.yaml

@@ -12,7 +12,7 @@ dependencies:
   cupertino_icons: ^1.0.2
   flutter:
     sdk: flutter
-  intl: ^0.18.0
+  intl: ^0.19.0
   path: ^1.8.2
   path_provider: ^2.0.11
   shared_preferences: ^2.0.15