Bump quartz from c654690 to e6b5ca3 (#63)

Bumps [quartz](https://github.com/jackyzha0/quartz) from `c654690` to `e6b5ca3`.
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<summary>Commits</summary>
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<li><a href="https://github.com/jackyzha0/quartz/commit/e6b5ca33c97575a43480fa00b17362ec43dc0313"><code>e6b5ca3</code></a> re-add gitkeep to content</li>
<li><a href="https://github.com/jackyzha0/quartz/commit/1b92440009965853241d6db44ae233cf62522a75"><code>1b92440</code></a> fix: better error handling on spawnsync failures</li>
<li>See full diff in <a href="https://github.com/jackyzha0/quartz/compare/c6546903f28cf49c573857c620aecc57562c34da...e6b5ca33c97575a43480fa00b17362ec43dc0313">compare view</a></li>
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