Update babel monorepo to ^7.15.0

Author: renovate-bot

package.json

@@ -44,14 +44,14 @@
   },
   "devDependencies": {
     "@babel/cli": "^7.14.8",
-    "@babel/core": "^7.14.8",
-    "@babel/plugin-transform-modules-commonjs": "^7.14.5",
+    "@babel/core": "^7.15.0",
+    "@babel/plugin-transform-modules-commonjs": "^7.15.0",
     "@babel/plugin-transform-modules-umd": "^7.14.5",
-    "@babel/plugin-transform-runtime": "^7.14.5",
-    "@babel/preset-env": "^7.14.8",
+    "@babel/plugin-transform-runtime": "^7.15.0",
+    "@babel/preset-env": "^7.15.0",
     "@babel/preset-flow": "^7.14.5",
-    "@babel/traverse": "^7.14.8",
-    "@babel/types": "^7.14.8",
+    "@babel/traverse": "^7.15.0",
+    "@babel/types": "^7.15.0",
     "babel-eslint": "^10.1.0",
     "babel-plugin-add-module-exports": "^1.0.4",
     "babel-plugin-transform-async-to-bluebird": "^1.1.1",