Add myself (tanishiking) as an ambassador

Nominated by @bishabosha at ScalaMatsuri 2024

Author: tanishiking

_data/ambassadors.yml

@@ -161,3 +161,11 @@
   github: nrinaudo
   linkedin: https://www.linkedin.com/in/nicolasrinaudo/
   mastodon: https://functional.cafe/@NicolasRinaudo
+
+- name: Rikito Taniguchi
+  description: Scala compiler and tooling engineer, Scala events organizer in Japan, and a stuff of <a href="https://scalamatsuri.org/en">ScalaMatsuri</a>.
+  image: https://github.com/tanishiking.png
+  city: Osaka, Japan
+  discord: tanishiking
+  github: tanishiking
+  twitter: tanishiking25