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

Aaron Pham

2024-01-31 fee3ef9b3a0135fd98c412f50609b0d1009ff55c

 quartz/components/styles/footer.scss

@@ -1,6 +1,8 @@
footer {
  text-align: left;
  opacity: 0.8;
  margin-bottom: 4rem;
  opacity: 0.7;

  & ul {
    list-style: none;
    margin: 0;