chore: Make infrastructure for webpack cleanable

Co-authored-by: Janne Savolainen <janne.savolainen@live.fi>
Signed-off-by: Iku-turso <mikko.aspiala@gmail.com>

packages/infrastructure/webpack/package.json

@@ -21,6 +21,7 @@
   "homepage": "https://github.com/lensapp/lens",
   "scripts": {
     "build": "webpack",
+    "clean": "rimraf dist/",
     "test:unit": "jest --coverage --runInBand"
   },
   "dependencies": {