[Tech] Bump react-imask from 6.4.3 to 7.6.1 in /frontend (#3717)

Bumps [react-imask](https://github.com/uNmAnNeR/imaskjs) from 6.4.3 to
7.6.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/uNmAnNeR/imaskjs/releases">react-imask's
releases</a>.</em></p>
<blockquote>
<h2>v7.6.1</h2>
<ul>
<li>minor bug fixes</li>
</ul>
<h2>v7.6.0</h2>
<p><strong>Core:</strong></p>
<ul>
<li>fix minor issues with <code>Enum</code> mask</li>
</ul>
<p><strong>React/Vue plugins:</strong></p>
<ul>
<li>now it's possible to provide default values to hook/composable</li>
<li><code>onAccept</code> is now only called on init if value is
changed. It should no longer mark value as dirty for validators.</li>
</ul>
<p><strong>React plugin:</strong></p>
<ul>
<li>now it's possible to pass existing element <code>ref</code> to
hook</li>
</ul>
<p><strong>Vue plugin:</strong></p>
<ul>
<li>fix minor issues for <code>typed</code> model</li>
</ul>
<h2>v7.5.0</h2>
<ul>
<li>enable autocomplete for <code>Enum</code> mask by default</li>
<li><code>autofix</code> option can be used with pattern mask and
automatically passed to <code>blocks</code></li>
<li>fix minor bugs</li>
</ul>
<h2>v7.4.0</h2>
<ul>
<li>add <code>autofix</code> option to <strong>Number</strong> mask</li>
<li>minor fixes for <code>Vue</code> and <code>Svelte</code>
plugins</li>
</ul>
<h2>v7.3.0</h2>
<ul>
<li>add new <a href="https://imask.js.org/guide.html#repeat">repeat
block</a> feature</li>
<li>improve IME support (こんにちは世界)</li>
<li>try to handle <code>undo</code> / <code>redo</code> in a better
way</li>
<li>minor bug fixes</li>
</ul>
<h2>v7.2.1</h2>
<ul>
<li>minor bug fixes for <code>Range</code> and <code>Number</code>
masks</li>
</ul>
<h2>v7.2.0</h2>
<p><strong>Core:</strong></p>
<ul>
<li>add <code>cjs</code> build</li>
<li>add <code>prepareChar</code> callback</li>
<li>fix types</li>
<li>fix other minor bugs</li>
</ul>
<p><strong>React:</strong></p>
<ul>
<li>fix types</li>
<li>fix shift back prevention</li>
</ul>
<h2>v7.1.3</h2>
<ul>
<li>fix minor issues</li>
</ul>
<h2>v7.1.2</h2>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/uNmAnNeR/imaskjs/commit/a02a14b642f70b335e24789e8a187857473a21a5"><code>a02a14b</code></a>
v7.6.1</li>
<li><a
href="https://github.com/uNmAnNeR/imaskjs/commit/c9c8a67fc434091180c23b519f59f6ac85bf201a"><code>c9c8a67</code></a>
fix react example</li>
<li><a
href="https://github.com/uNmAnNeR/imaskjs/commit/510c9ae4d18362d560c17649279effdce652753d"><code>510c9ae</code></a>
fix <a
href="https://redirect.github.com/uNmAnNeR/imaskjs/issues/1035">#1035</a></li>
<li><a
href="https://github.com/uNmAnNeR/imaskjs/commit/2ff5a8fa5d578d8e1b6f350f68bb386fc14196be"><code>2ff5a8f</code></a>
Merge pull request <a
href="https://redirect.github.com/uNmAnNeR/imaskjs/issues/1032">#1032</a>
from MrMarble/patch-1</li>
<li><a
href="https://github.com/uNmAnNeR/imaskjs/commit/5b506926d4f2f4097cb86d96968e7d42518eaefb"><code>5b50692</code></a>
ignore default pattern</li>
<li><a
href="https://github.com/uNmAnNeR/imaskjs/commit/d99874ae408299c5278025e3f17172acc1724818"><code>d99874a</code></a>
fix <a
href="https://redirect.github.com/uNmAnNeR/imaskjs/issues/973">#973</a></li>
<li><a
href="https://github.com/uNmAnNeR/imaskjs/commit/126ad2aafa5bb41d38a2620f92966ba4037f1a32"><code>126ad2a</code></a>
Merge pull request <a
href="https://redirect.github.com/uNmAnNeR/imaskjs/issues/1023">#1023</a>
from MysterieDev/fix-docs-date-example-format-parse</li>
<li><a
href="https://github.com/uNmAnNeR/imaskjs/commit/52b20ff0923ff4f417d04aa36662dd1e6f4b30fb"><code>52b20ff</code></a>
fix variable declaration for date parse/format docs</li>
<li><a
href="https://github.com/uNmAnNeR/imaskjs/commit/324ba93c4fe3791821d8b6daffb93f11ddee2f30"><code>324ba93</code></a>
Update README.md</li>
<li><a
href="https://github.com/uNmAnNeR/imaskjs/commit/1531e019fb4f9f0f7dbf9f3e433f50bbf2d3052f"><code>1531e01</code></a>
Update README.md</li>
<li>Additional commits viewable in <a
href="https://github.com/uNmAnNeR/imaskjs/compare/v6.4.3...v7.6.1">compare
view</a></li>
</ul>
</details>
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</details>

frontend/package.json

@@ -66,7 +66,7 @@
     "react-device-detect": "2.2.3",
     "react-dom": "18.3.1",
     "react-highlight-words": "0.20.0",
-    "react-imask": "6.4.3",
+    "react-imask": "7.6.1",
     "react-markdown": "8.0.7",
     "react-oidc-context": "2.3.1",
     "react-redux": "9.1.2",