Bump @babel/polyfill from 7.0.0 to 7.2.5 in /js

Bumps [@babel/polyfill](https://github.com/babel/babel) from 7.0.0 to 7.2.5.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/compare/v7.0.0...v7.2.5)

Signed-off-by: dependabot[bot] <support@dependabot.com>

js/package-lock.json

@@ -1021,19 +1021,25 @@
       }
     },
     "@babel/polyfill": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/@babel/polyfill/-/polyfill-7.0.0.tgz",
-      "integrity": "sha512-dnrMRkyyr74CRelJwvgnnSUDh2ge2NCTyHVwpOdvRMHtJUyxLtMAfhBN3s64pY41zdw0kgiLPh6S20eb1NcX6Q==",
+      "version": "7.2.5",
+      "resolved": "https://registry.npmjs.org/@babel/polyfill/-/polyfill-7.2.5.tgz",
+      "integrity": "sha512-8Y/t3MWThtMLYr0YNC/Q76tqN1w30+b0uQMeFUYauG2UGTR19zyUtFrAzT23zNtBxPp+LbE5E/nwV/q/r3y6ug==",
       "dev": true,
       "requires": {
         "core-js": "^2.5.7",
-        "regenerator-runtime": "^0.11.1"
+        "regenerator-runtime": "^0.12.0"
       },
       "dependencies": {
         "core-js": {
-          "version": "2.5.7",
-          "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.5.7.tgz",
-          "integrity": "sha512-RszJCAxg/PP6uzXVXL6BsxSXx/B05oJAQ2vkJRjyjrEcNVycaqOmNb5OTxZPE3xa5gwZduqza6L9JOCenh/Ecw==",
+          "version": "2.6.3",
+          "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.3.tgz",
+          "integrity": "sha512-l00tmFFZOBHtYhN4Cz7k32VM7vTn3rE2ANjQDxdEN6zmXZ/xq1jQuutnmHvMG1ZJ7xd72+TA5YpUK8wz3rWsfQ==",
+          "dev": true
+        },
+        "regenerator-runtime": {
+          "version": "0.12.1",
+          "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.12.1.tgz",
+          "integrity": "sha512-odxIc1/vDlo4iZcfXqRYFj0vpXFNoGdKMAUieAlFYO6m/nl5e9KR/beGf41z4a1FI+aQgtjhuaSlDxQ0hmkrHg==",
           "dev": true
         }
       }

js/package.json

@@ -23,7 +23,7 @@
   },
   "devDependencies": {
     "@babel/core": "^7.2.2",
-    "@babel/polyfill": "^7.0.0",
+    "@babel/polyfill": "^7.2.5",
     "@babel/preset-env": "^7.3.1",
     "babel-loader": "^8.0.5",
     "css-loader": "^2.1.0",