Bump up Yorkie to v0.6.48 (#293)

Author: raararaara

.env

@@ -1,10 +1,10 @@
 # Common Environment Variables
-NEXT_PUBLIC_YORKIE_VERSION='0.6.47'
-NEXT_PUBLIC_YORKIE_JS_VERSION='0.6.47'
+NEXT_PUBLIC_YORKIE_VERSION='0.6.48'
+NEXT_PUBLIC_YORKIE_JS_VERSION='0.6.48'
 NEXT_PUBLIC_YORKIE_IOS_VERSION='0.6.35'
 NEXT_PUBLIC_YORKIE_ANDROID_VERSION='0.6.35'
 NEXT_PUBLIC_DASHBOARD_PATH='/dashboard'
-NEXT_PUBLIC_JS_SDK_URL='https://cdn.jsdelivr.net/npm/@yorkie-js/sdk@0.6.47/dist/yorkie-js-sdk.js'
+NEXT_PUBLIC_JS_SDK_URL='https://cdn.jsdelivr.net/npm/@yorkie-js/sdk@0.6.48/dist/yorkie-js-sdk.js'
 NEXT_PUBLIC_STATUS_URL='https://stats.uptimerobot.com/otOOggryMR'
 
 # Development Environment Variables