Handshake: medium-light skin tone, medium-dark skin tone emoji π«±πΌβπ«²πΎ is part of the People & Body and Hands emojis. On some systems it can be accessed by using :handshake_tone2-4:, :handshake_tone2_tone4: or :handshake_medium_light_skin_tone_medium_dark_skin_tone: shortcodes.
It was approved as part of Unicode in 2021 so it should be displayed properly on newer devices.