docs(whats-new): reword the release 6 bullet

It read like leftover instruction text — "and no dates" in a popup that
carries no dates — instead of something an operator would want to read.

src/lib/release-notes.ts

@@ -43,7 +43,7 @@ export const RELEASE_NOTES: ReleaseNote[] = [
       "Mark it paid with a proof of payment attached. Until it is paid, that item cannot be marked ready for collection or go out with a driver.",
       "Approvals live on the same page. Items waiting on a markup decision show the cost, the selling price and the markup, with a link straight to the item.",
       "The theme picker now previews the colours the app actually uses, so a palette card cannot promise a colour the product does not paint. Every palette has a proper dark surface, and a retired theme falls back to the default instead of an unstyled page.",
-      "This popup now carries a release number and the commit it shipped with, and no dates.",
+      "Each release is now labelled with its number and the commit it shipped with.",
     ],
   },
   {