Build(deps): Bump importmap-rails from 2.1.0 to 2.2.0 (#897)

Bumps [importmap-rails](https://github.com/rails/importmap-rails) from
2.1.0 to 2.2.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/rails/importmap-rails/releases">importmap-rails's
releases</a>.</em></p>
<blockquote>
<h2>v2.2.0</h2>
<h2>What's Changed</h2>
<ul>
<li>Add <code>--preload</code> option to pin command by <a
href="https://github.com/3v0k4"><code>@​3v0k4</code></a> in <a
href="https://redirect.github.com/rails/importmap-rails/pull/298">rails/importmap-rails#298</a></li>
<li>Catch failure HTTP responses on calls to the npm registry by <a
href="https://github.com/tmeire"><code>@​tmeire</code></a> in <a
href="https://redirect.github.com/rails/importmap-rails/pull/301">rails/importmap-rails#301</a></li>
<li>Warn about vendored versionless packages by <a
href="https://github.com/3v0k4"><code>@​3v0k4</code></a> in <a
href="https://redirect.github.com/rails/importmap-rails/pull/305">rails/importmap-rails#305</a></li>
<li>Implement SRI support in importmap-rails by <a
href="https://github.com/rafaelfranca"><code>@​rafaelfranca</code></a>
in <a
href="https://redirect.github.com/rails/importmap-rails/pull/304">rails/importmap-rails#304</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a
href="https://github.com/ron-shinall"><code>@​ron-shinall</code></a>
made their first contribution in <a
href="https://redirect.github.com/rails/importmap-rails/pull/296">rails/importmap-rails#296</a></li>
<li><a href="https://github.com/3v0k4"><code>@​3v0k4</code></a> made
their first contribution in <a
href="https://redirect.github.com/rails/importmap-rails/pull/298">rails/importmap-rails#298</a></li>
<li><a href="https://github.com/tmeire"><code>@​tmeire</code></a> made
their first contribution in <a
href="https://redirect.github.com/rails/importmap-rails/pull/301">rails/importmap-rails#301</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/rails/importmap-rails/compare/v2.1.0...v2.2.0">https://github.com/rails/importmap-rails/compare/v2.1.0...v2.2.0</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/rails/importmap-rails/commit/46888e78f0febe495a9dcf152343302e89d4f402"><code>46888e7</code></a>
Prepare for 2.2.0</li>
<li><a
href="https://github.com/rails/importmap-rails/commit/03acd4ccdd23a53e85c19fa674a84935949ab030"><code>03acd4c</code></a>
Merge pull request <a
href="https://redirect.github.com/rails/importmap-rails/issues/304">#304</a>
from rails/rm=sri</li>
<li><a
href="https://github.com/rails/importmap-rails/commit/9cd897f73453e86dbf120e42708ac48ef6284c3f"><code>9cd897f</code></a>
Merge pull request <a
href="https://redirect.github.com/rails/importmap-rails/issues/305">#305</a>
from 3v0k4/versionless</li>
<li><a
href="https://github.com/rails/importmap-rails/commit/2d711e1cc338963cb62c0e81c5bc3d2d4ec90e39"><code>2d711e1</code></a>
Remove so many nested blocks in the test</li>
<li><a
href="https://github.com/rails/importmap-rails/commit/ae259e9e031f24e0126816261f810d49252b59fc"><code>ae259e9</code></a>
Decrease complexity of vendored_packages_without_version method</li>
<li><a
href="https://github.com/rails/importmap-rails/commit/14068d4ff53c9c86c0772a0a5957e9bef32e83e1"><code>14068d4</code></a>
Improve code organization</li>
<li><a
href="https://github.com/rails/importmap-rails/commit/5195c6c3323b891421c398d2a9610e733ff87e63"><code>5195c6c</code></a>
Warn about vendored versionless packages</li>
<li><a
href="https://github.com/rails/importmap-rails/commit/1aecf66e89776eb10c8486bd1a65ef0bf07e60c5"><code>1aecf66</code></a>
Support calculating integrity hashes for local assets automatically</li>
<li><a
href="https://github.com/rails/importmap-rails/commit/646b206771fa24eaded47701cded5b842ac234c4"><code>646b206</code></a>
Fix typos</li>
<li><a
href="https://github.com/rails/importmap-rails/commit/bb0cd8eae4ca4e0587e317eede37d978022ca9aa"><code>bb0cd8e</code></a>
Import the integrity hashes for packages from JSPM when pinning</li>
<li>Additional commits viewable in <a
href="https://github.com/rails/importmap-rails/compare/v2.1.0...v2.2.0">compare
view</a></li>
</ul>
</details>
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</details>

Author: rsmithlal

Gemfile.lock

@@ -388,7 +388,7 @@ GEM
     image_processing (1.14.0)
       mini_magick (>= 4.9.5, < 6)
       ruby-vips (>= 2.0.17, < 3)
-    importmap-rails (2.1.0)
+    importmap-rails (2.2.0)
       actionpack (>= 6.0.0)
       activesupport (>= 6.0.0)
       railties (>= 6.0.0)