chore(deps): bump katex to 0.16.9 (#772)

Aaron Pham

2024-01-31 fee3ef9b3a0135fd98c412f50609b0d1009ff55c

 quartz/plugins/transformers/syntax.ts

@@ -8,7 +8,11 @@
      [
        rehypePrettyCode,
        {
          theme: "css-variables",
          keepBackground: false,
          theme: {
            dark: "github-dark",
            light: "github-light",
          },
        } satisfies Partial<CodeOptions>,
      ],
    ]