Bump @babel/plugin-transform-runtime from 7.11.5 to 7.12.0 in /token/js (#632)

Bumps [@babel/plugin-transform-runtime](https://github.com/babel/babel/tree/HEAD/packages/babel-plugin-transform-runtime) from 7.11.5 to 7.12.0.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.12.0/packages/babel-plugin-transform-runtime)

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token/js/package-lock.json

@@ -1464,9 +1464,9 @@
       }
     },
     "@babel/plugin-transform-runtime": {
-      "version": "7.11.5",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-runtime/-/plugin-transform-runtime-7.11.5.tgz",
-      "integrity": "sha512-9aIoee+EhjySZ6vY5hnLjigHzunBlscx9ANKutkeWTJTx6m5Rbq6Ic01tLvO54lSusR+BxV7u4UDdCmXv5aagg==",
+      "version": "7.12.0",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-runtime/-/plugin-transform-runtime-7.12.0.tgz",
+      "integrity": "sha512-BC8wiTo+0kEG8M6wuEBeuG7AIazTan02/Bh4dgi+wdDBE+p2iv5AXO8OUjrwD100223S/2WbALSqj7c290XTKg==",
       "dev": true,
       "requires": {
         "@babel/helper-module-imports": "^7.10.4",