Adding Media.net to the list of testers

SHA: 345cca6
Reason: push, by michaelkleber

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

index.html

@@ -6,7 +6,7 @@
   <link href="https://www.w3.org/StyleSheets/TR/2021/cg-draft" rel="stylesheet">
   <meta content="Bikeshed version d765c696b, updated Fri Mar 8 15:58:52 2024 -0800" name="generator">
   <link href="https://wicg.github.io/turtledove/" rel="canonical">
-  <meta content="3d9ccfe71ee38ee136640599a53e7e1dadcb6af5" name="revision">
+  <meta content="345cca61f9b801c48629be05666209df8670e11f" name="revision">
   <meta content="dark light" name="color-scheme">
   <link href="https://www.w3.org/StyleSheets/TR/2021/dark.css" media="(prefers-color-scheme: dark)" rel="stylesheet" type="text/css">
 <style>