build(deps-dev): Bump @storybook/addon-a11y from 7.6.18 to 7.6.19 (#1158

)

Bumps
[@storybook/addon-a11y](https://github.com/storybookjs/storybook/tree/HEAD/code/addons/a11y)
from 7.6.18 to 7.6.19.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/storybookjs/storybook/releases"><code>@​storybook/addon-a11y</code>'s
releases</a>.</em></p>
<blockquote>
<h2>v7.6.19</h2>
<h2>7.6.19</h2>
<ul>
<li>Fix bad release of <code>7.6.18</code> containing wrong dependency
identifiers, thanks <a
href="https://github.com/jreinhold"><code>@​jreinhold</code></a>!</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/storybookjs/storybook/commit/0264a143c8de13978a841dca31c60c34666de363"><code>0264a14</code></a>
Bump version from 7.6.18 to 7.6.19 (manual) [skip ci]</li>
<li>See full diff in <a
href="https://github.com/storybookjs/storybook/commits/v7.6.19/code/addons/a11y">compare
view</a></li>
</ul>
</details>
<br />

<details>
<summary>Most Recent Ignore Conditions Applied to This Pull
Request</summary>

| Dependency Name | Ignore Conditions |
| --- | --- |
| @storybook/addon-a11y | [>= 8.a, < 9] |
</details>


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