🤖 config(babel): Enable sourceMaps files.

These changes were automatically generated by a transform whose code can be found at:
  - https://github.com/make-github-pseudonymous-again/rejuvenate/blob/d09fbf6436be892b61bbe02454e1d7d7229c50d8/src/transforms/babel:setup-sourcemaps.js
Please contact the author of the transform if you believe there was an error.

package.json

@@ -86,6 +86,7 @@
     "concurrency": 8
   },
   "babel": {
+    "sourceMaps": true,
     "presets": [
       [
         "@babel/preset-env",
@@ -110,7 +111,6 @@
         ]
       },
       "test": {
-        "sourceMaps": "inline",
         "presets": [
           [
             "@babel/preset-env",
@@ -158,7 +158,6 @@
         ]
       },
       "development": {
-        "sourceMaps": "inline",
         "presets": [
           "babel-preset-power-assert"
         ],
@@ -176,7 +175,6 @@
         ]
       },
       "production": {
-        "sourceMaps": "inline",
         "plugins": [
           "babel-plugin-unassert",
           [