bump version

package-lock.json

 {
   "name": "remix-ide",
-  "version": "v0.9.0-beta.2",
+  "version": "v0.9.0-beta.3",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

package.json

 {
   "name": "remix-ide",
-  "version": "v0.9.0-beta.2",
+  "version": "v0.9.0-beta.3",
   "description": "Minimalistic browser-based Solidity IDE",
   "devDependencies": {
     "@babel/core": "^7.4.5",