[dashboard] robots-meta: noindex -> noindex, nofollow, noarchive, nosnippet, noimageindex (#21064)

Co-authored-by: Ona <[email protected]>

Author: geropl

components/dashboard/public/index.html

@@ -11,7 +11,7 @@
     <link rel="icon" href="%PUBLIC_URL%/favicon256.png" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <meta name="theme-color" content="#000000" />
-    <meta name="robots" content="noindex">
+    <meta name="robots" content="noindex, nofollow, noarchive, nosnippet, noimageindex">
     <meta
       name="Gitpod"
       content="Always Ready-to-Code"