Update maintainer guidelines link

Updated maintainer guidelines link in MAINTAINERS.md.

Signed-off-by: Jessica G <[email protected]>

Author: jwagantall

CHANGELOG.md

@@ -244,6 +244,7 @@ This changelog is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.
 - Fixed bot-pr-missing-linked-issue to skip commenting on pull requests created by automated bots. (#1382)
 - Updated `.github/scripts/bot-community-calls.sh` to skip posting reminders on issues created by bot accounts. (#1383)
 - Fixed incorrect run instructions and broaden error handling in `token_dissociate_transaction.py` example to improve usability for new users (#1468)
+- chore: update maintainer guidelines link in MAINTAINERS.md (#1605)
 
 ### Removed