fix: higashiさんのXのURLを修正

Author: staticWagomU

2025/src/components/Staff/index.astro

@@ -50,7 +50,7 @@ import StaffCard from "./StaffCard.astro";
         name="higashi"
         image="https://github.com/higashi000.png"
         github="https://github.com/higashi000"
-        x="https://x.com/gorilla0513"
+        x="https://x.com/higashi136_2"
       />
       <StaffCard
         name="Gorilla"