[fix](webapp) fix front end package version issues (#104)

webapp/.gitignore

@@ -19,7 +19,6 @@ supersonic-webapp.tar.gz
 
 package-lock.json
 yarn.lock
-pnpm-lock.yaml
 
 # misc
 .DS_Store

webapp/packages/chat-sdk/.gitignore

@@ -13,8 +13,6 @@
 
 /dist
 
-pnpm-lock.yaml
-
 # misc
 .DS_Store
 .env.local

webapp/packages/supersonic-fe/.gitignore

@@ -20,7 +20,6 @@ yarn-error.log
 .idea
 yarn.lock
 package-lock.json
-pnpm-lock.yaml
 *bak
 .vscode
 

webapp/packages/supersonic-fe/package.json

@@ -76,7 +76,7 @@
     "antd": "^4.24.8",
     "classnames": "^2.2.6",
     "copy-to-clipboard": "^3.3.1",
-    "cross-env": "^7.0.0",
+    "cross-env": "^7.0.3",
     "crypto-js": "^4.0.0",
     "echarts": "^5.0.2",
     "echarts-for-react": "^3.0.1",