fix: use time HTML element for date strings (#1622)

Bao

2024-12-03 0c4281eb537d1d7675bcf8f84316a5d7ed0b3bcb

 quartz/components/styles/footer.scss

@@ -1,6 +1,7 @@
footer {
  text-align: left;
  margin-bottom: 4rem;
  opacity: 0.7;

  & ul {
    list-style: none;