Update babel monorepo to v7.13.8

Author: renovate-bot

package.json

@@ -79,9 +79,9 @@
   "devDependencies": {
     "@aureooms/js-itertools": "4.1.0",
     "@babel/cli": "7.13.0",
-    "@babel/core": "7.13.1",
-    "@babel/preset-env": "7.13.5",
-    "@babel/register": "7.13.0",
+    "@babel/core": "7.13.8",
+    "@babel/preset-env": "7.13.8",
+    "@babel/register": "7.13.8",
     "ava": "3.15.0",
     "babel-plugin-transform-remove-console": "6.9.4",
     "babel-plugin-unassert": "3.0.1",