Update babel monorepo to v7.10.0

Author: renovate-bot

package.json

@@ -31,10 +31,10 @@
     "@aureooms/js-itertools": "^4.0.0"
   },
   "devDependencies": {
-    "@babel/cli": "7.8.4",
-    "@babel/core": "7.9.6",
+    "@babel/cli": "7.10.0",
+    "@babel/core": "7.10.0",
     "@babel/polyfill": "7.8.7",
-    "@babel/preset-env": "7.9.6",
+    "@babel/preset-env": "7.10.0",
     "@babel/register": "7.9.0",
     "ava": "3.8.2",
     "coveralls": "3.1.0",