Merge pull request ClickHouse#78346 from ClickHouse/zoesteinkamp-patch-1

Update README.md

Author: zoesteinkamp

README.md

@@ -53,6 +53,7 @@ Upcoming meetups
 * [Tokyo Meetup with Confluent](https://www.meetup.com/clickhouse-tokyo-user-group/events/306832118/) - April 15, 2025
 * [Kuala Lumper Meetup with CNCF](https://www.meetup.com/clickhouse-malaysia-meetup-group/events/306697678/) - April 16, 2025
 * [Jakarta Meetup with AWS](https://www.meetup.com/clickhouse-indonesia-user-group/events/306973747/) - April 22, 2025
+* [Denver Meetup](https://www.meetup.com/clickhouse-denver-user-group/events/306934991/) - April 23, 2025
 * [London Meetup](https://www.meetup.com/clickhouse-london-user-group/events/306047172/) - May 14, 2025
 * [Istanbul Meetup](https://www.meetup.com/clickhouse-turkiye-meetup-group/events/306978337/) - May 15, 2025