Update Babel to 7.15.0

Author: wojtekmaj

package.json

@@ -29,9 +29,9 @@
   },
   "license": "MIT",
   "devDependencies": {
-    "@babel/cli": "^7.9.0",
-    "@babel/core": "^7.9.0",
-    "@babel/preset-env": "^7.9.0",
+    "@babel/cli": "^7.15.0",
+    "@babel/core": "^7.15.0",
+    "@babel/preset-env": "^7.15.0",
     "eslint": "~7.19.0",
     "eslint-config-wojtekmaj": "^0.5.0",
     "jest": "^26.6.0",