Reverse dependencies for uart

Latest version of the following gems require uart

Gem	Version	Date	Downloads
pwn +908 Thousand Downloads	`0.5.639` July 16, 2026	July 16, 2026	908 Thousand
meshtastic +80.1 Thousand Downloads	`0.0.172` July 14, 2026	July 14, 2026	80.1 Thousand
timex_datalink_client +15.7 Thousand Downloads	`0.12.4` March 25, 2025	March 25, 2025	15.7 Thousand
itiscold +7.75 Thousand Downloads	`1.0.2` January 28, 2018	January 28, 2018	7.75 Thousand
exsys +557 Downloads	`0.5` November 29, 2024	November 29, 2024	557