Bump quartz from 8fc7b9f to 50f0ba2 (#53)

Bumps [quartz](https://github.com/jackyzha0/quartz) from `8fc7b9f` to `50f0ba2`.
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/jackyzha0/quartz/commit/50f0ba29a247c81b5f29d290e54f7e1aabb18ab3"><code>50f0ba2</code></a> feat: cname emitter (<a href="https://redirect.github.com/jackyzha0/quartz/issues/590">#590</a>)</li>
<li><a href="https://github.com/jackyzha0/quartz/commit/95b1141b9df7b8de3fdb893454326daf752d7f66"><code>95b1141</code></a> fix: include anchor when normalizing urls for spa/popovers</li>
<li><a href="https://github.com/jackyzha0/quartz/commit/a26eb59392c617bf567df23ee45d16b3fce69da3"><code>a26eb59</code></a> feat: scrub link formatting from toc entries</li>
<li><a href="https://github.com/jackyzha0/quartz/commit/5befcf4780a9f1c2872dead5d25100d47452ea1e"><code>5befcf4</code></a> fix: format</li>
<li><a href="https://github.com/jackyzha0/quartz/commit/f861a7c160a0b3be76a16c5bf2ea1a8d076a9662"><code>f861a7c</code></a> fix: regression where clicking anchors on the same page wouldn't set the anch...</li>
<li><a href="https://github.com/jackyzha0/quartz/commit/06426c8f7e87e9476e3ede9f9d15771db601e3e6"><code>06426c8</code></a> feat: support repeated anchor tag (closes <a href="https://redirect.github.com/jackyzha0/quartz/issues/592">#592</a>)</li>
<li>See full diff in <a href="https://github.com/jackyzha0/quartz/compare/8fc7b9f4c68bb8c41a156e92cfbddf3144678dcc...50f0ba29a247c81b5f29d290e54f7e1aabb18ab3">compare view</a></li>
</ul>
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