Update image

Author: reinink

.github/logo-dark.svg

@@ -1,4 +1,10 @@
-[![Tailwind Plus](https://tailwindcss.com/plus-assets/img/tailwindplus-logo.png)](https://tailwindcss.com/plus)
+<a href="https://tailwindcss.com/plus" target="_blank">
+  <picture>
+    <source media="(prefers-color-scheme: dark)" srcset="https://raw.githubusercontent.com/tailwindlabs/tailwind-plus-issues/HEAD/.github/logo-dark.svg">
+    <source media="(prefers-color-scheme: light)" srcset="https://raw.githubusercontent.com/tailwindlabs/tailwind-plus-issues/HEAD/.github/logo-light.svg">
+    <img alt="Tailwind CSS" src="https://raw.githubusercontent.com/tailwindlabs/tailwind-plus-issues/HEAD/.github/logo-light.svg" width="235" height="28" style="max-width: 100%;">
+  </picture>
+</a>
 
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