chore(deps): update babel monorepo to v7.15.0

Author: renovate-bot

package.json

@@ -13,11 +13,11 @@
   },
   "devDependencies": {
     "@babel/cli": "7.14.8",
-    "@babel/core": "7.14.8",
+    "@babel/core": "7.15.0",
     "@babel/plugin-proposal-class-properties": "7.14.5",
     "@babel/plugin-proposal-object-rest-spread": "7.14.7",
-    "@babel/preset-env": "7.14.8",
-    "@babel/preset-typescript": "7.14.5",
+    "@babel/preset-env": "7.15.0",
+    "@babel/preset-typescript": "7.15.0",
     "@types/jest": "^26.0.24",
     "@types/node": "^14.14.41",
     "babel-core": "7.0.0-bridge.0",

packages/babel-preset-base/package.json

@@ -55,7 +55,7 @@
     "access": "public"
   },
   "devDependencies": {
-    "@babel/core": "7.14.8",
+    "@babel/core": "7.15.0",
     "@wpackio/eslint-config": "^6.4.0",
     "dts-gen": "0.6.0"
   }