fix(�ui): Button inputSize prop이 mobile일 시 width를 100%로 수정합니다. (#108)

Co-authored-by: asst2411038 <asst2411038@tossinvest-partners.com>

Author: jungwoo3490

.changeset/swift-kangaroos-unite.md

@@ -0,0 +1,5 @@
+---
+"@setaday/ui": patch
+---
+
+set mobile default button width to 100%

packages/ui/src/Button/Button.styles.ts

@@ -10,7 +10,7 @@ export const buttonVariants = cva("text-white rounded-[0.8rem]", {
     size: {
       default: "",
       desktop: "w-[22.6rem] h-[5.7rem]",
-      mobile: "w-[33.5rem] h-[5.6rem]",
+      mobile: "w-[100%] h-[5.6rem]",
       desktop_donate: "w-[33.5rem] h-[5.6rem]",
       mobile_donate: "w-[20.2rem] h-[3.9rem]",
     },