😒 chore(deps-dev): Upgrade babel packages.

Author: make-github-pseudonymous-again

package.json

@@ -81,7 +81,7 @@
   "devDependencies": {
     "@aureooms/js-itertools": "4.1.0",
     "@babel/cli": "7.12.8",
-    "@babel/core": "7.12.8",
+    "@babel/core": "7.12.9",
     "@babel/polyfill": "7.12.1",
     "@babel/preset-env": "7.12.7",
     "@babel/register": "7.12.1",