chore(deps): update dependency @babel/core to v7.11.6

Author: renovate-bot

package-lock.json

@@ -55,7 +55,7 @@
 	},
 	"description": "Material UI implementation of react-jsonschema-form",
 	"devDependencies": {
-		"@babel/core": "7.11.4",
+		"@babel/core": "7.11.6",
 		"autoprefixer": "9.8.6",
 		"babel-eslint": "10.1.0",
 		"babel-loader": "7.1.5",