🤖 chore: Add debug key in .babel.env.

These changes were automatically generated by a transform whose code can be found at:
  - https://github.com/make-github-pseudonymous-again/rejuvenate/blob/a44c42967442d65fd14272682fb84a6f32feb841/src/transforms/package.json:ensure-babel-env-debug.js
Please contact the author of the transform if you believe there was an error.

package.json

@@ -105,6 +105,7 @@
       ]
     ],
     "env": {
+      "debug": {},
       "test": {
         "sourceMaps": "inline",
         "presets": [