fix release date

Updating to represent the proper expected release date

Author: cdisher

src/content/changelogs/browser-isolation.yaml

@@ -5,7 +5,7 @@ productLink: "/cloudflare-one/policies/browser-isolation/"
 productArea: Cloudflare One
 productAreaLink: /cloudflare-one/changelog/
 entries:
-  - publish_date: "2024-11-20"
+  - publish_date: "2024-11-21"
     title: Improved non-English keyboard support
     description: |-
       Introduced support for non-English keyboard configurations in the remote browser, enhancing the global user experience.