Update babel monorepo to v7.12.16

Author: renovate-bot

package.json

@@ -32,11 +32,11 @@
  "bbclib"
  ],
  "devDependencies": {
- "@babel/cli": "7.12.13",
- "@babel/core": "7.12.13",
+ "@babel/cli": "7.12.16",
+ "@babel/core": "7.12.16",
  "@babel/plugin-transform-runtime": "7.12.15",
  "@babel/polyfill": "^7.0.0",
- "@babel/preset-env": "7.12.13",
+ "@babel/preset-env": "7.12.16",
  "@babel/register": "7.12.13",
  "babel-eslint": "10.1.0",
  "babel-loader": "8.2.2",