Bump quartz from 7d7e334 to 921f45c (#212)

Bumps [quartz](https://github.com/jackyzha0/quartz) from `7d7e334` to `921f45c`.
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<summary>Commits</summary>
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<li><a href="https://github.com/jackyzha0/quartz/commit/921f45cf7001a6af77cd0bf10f7fbf154eebabff"><code>921f45c</code></a> feat: add a config option for a pageTitleSuffix (<a href="https://redirect.github.com/jackyzha0/quartz/issues/1320">#1320</a>)</li>
<li><a href="https://github.com/jackyzha0/quartz/commit/90c187587f1eca0a055a69c63415fe83d48a448d"><code>90c1875</code></a> chore(deps): bump pixi.js from 8.3.4 to 8.4.1 (<a href="https://redirect.github.com/jackyzha0/quartz/issues/1432">#1432</a>)</li>
<li><a href="https://github.com/jackyzha0/quartz/commit/08e20a7006204fa908d69a6619cad1da63c9e70a"><code>08e20a7</code></a> chore(deps): bump remark-rehype from 11.1.0 to 11.1.1 (<a href="https://redirect.github.com/jackyzha0/quartz/issues/1435">#1435</a>)</li>
<li><a href="https://github.com/jackyzha0/quartz/commit/9e32016508825d6b7f423281ea65a81c129ae9f9"><code>9e32016</code></a> chore(deps): bump rehype-pretty-code from 0.13.2 to 0.14.0 (<a href="https://redirect.github.com/jackyzha0/quartz/issues/1433">#1433</a>)</li>
<li><a href="https://github.com/jackyzha0/quartz/commit/8a050c0be07212a8ea5d8cb181222f4b05036f74"><code>8a050c0</code></a> chore(deps): bump hast-util-to-html from 9.0.2 to 9.0.3 (<a href="https://redirect.github.com/jackyzha0/quartz/issues/1434">#1434</a>)</li>
<li><a href="https://github.com/jackyzha0/quartz/commit/0aacd8ed2e102d75d22b7e623e1e91ac961933a1"><code>0aacd8e</code></a> chore(deps): bump shiki from 1.12.1 to 1.18.0 (<a href="https://redirect.github.com/jackyzha0/quartz/issues/1436">#1436</a>)</li>
<li>See full diff in <a href="https://github.com/jackyzha0/quartz/compare/7d7e3349763b0c1ade94b8a6d13986e171861bc1...921f45cf7001a6af77cd0bf10f7fbf154eebabff">compare view</a></li>
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