chore(deps): bump rehype-mathjax from 5.0.0 to 6.0.0 (#745)

dependabot[bot]

2024-01-28 7695df69e51d365506a8385107c5423fe3c9ff3b

 quartz/components/Header.tsx

@@ -9,7 +9,7 @@
  display: flex;
  flex-direction: row;
  align-items: center;
  margin: 2em 0;
  margin: 2rem 0;
  gap: 1.5rem;
}