🤖 config(babel): Enable inline sourceMaps during tests.

These changes were automatically generated by a transform whose code can be found at:
  - https://github.com/make-github-pseudonymous-again/rejuvenate/blob/5c07fa640b846da4c34695dc6ef1b93c034a99a2/src/transforms/babel:setup-debug-and-test-sourcemaps.js
Please contact the author of the transform if you believe there was an error.

Author: a-flying-potato

package.json

@@ -135,6 +135,7 @@
     ],
     "env": {
       "debug": {
+        "sourceMaps": "both",
         "presets": [
           "babel-preset-power-assert"
         ],
@@ -153,6 +154,7 @@
         ]
       },
       "test": {
+        "sourceMaps": "both",
         "presets": [
           "babel-preset-power-assert"
         ]