add note about "Achievements will no longer be available in the Commu…

…nity"

Fixes #892.

See https://github.com/orgs/community/discussions/106536

README.md

@@ -10,6 +10,8 @@ This repository attempts to list them all.
 
 **2022-06-09:** GitHub [announced more Achievements](https://github.blog/2022-06-09-introducing-achievements-recognizing-the-many-stages-of-a-developers-coding-journey/), but without specific criteria. If you see something not listed here or is incorrect, please open an issue :)
 
+**2024-02-06:** Achievements will no longer be available in [GitHub's Community Discussions](https://github.com/orgs/community/discussions/) to counter spam, see [the announcement](https://github.com/orgs/community/discussions/106536).
+
 Don't like the Achievements? [Here](https://docs.github.com/account-and-profile/setting-up-and-managing-your-github-profile/managing-contribution-settings-on-your-profile/showing-your-private-contributions-and-achievements-on-your-profile#changing-the-visibility-of-achievements) is how to disable them. [Direct link to the setting for your convenience](https://github.com/settings/profile#profile-settings-heading).
 
 ## Achievements