fix(a11y): increased content-meta text contrast (#1980)

Emile Bangma

2025-05-24 c9741d00f3c7745929008b17288c58bbe5f18aef

 quartz/components/styles/readermode.scss

@@ -15,6 +15,7 @@
    width: 20px;
    height: 20px;
    top: calc(50% - 10px);
    fill: var(--darkgray);
    stroke: var(--darkgray);
    transition: opacity 0.1s ease;
  }