Update dependency postcss-loader to v4.3.0

This MR contains the following updates:

Package	Type	Update	Change
postcss-loader	devDependencies	minor	4.0.3 -> 4.3.0

---

Release Notes

webpack-contrib/postcss-loader

v4.3.0

Compare Source

Features

• add support for dir-dependency message type (#​525) (554802e)

v4.2.0

Compare Source

Features

• added the implementation option (#​511) (deac978)

v4.1.0

Compare Source

Features

• partial compatibility with postcss-cli, added api.env (alias for api.mode) and api.options (contains options from the postcssOptions options), please look at the example for more details (#​498) (84a9c46)

4.0.4 (2020-10-09)

Chore

• update schema-utils

v4.0.4

Compare Source

---

Configuration

Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox.

Ignore: Close this MR and you won't be reminded about this update again.

---

• If you want to rebase/retry this MR, click this checkbox.

---

This MR has been generated by Renovate Bot.

package.json

@@ -90,7 +90,7 @@
     "path-to-regexp": "2.4.0",
     "portfinder": "1.0.32",
     "postcss": "8.4.16",
-    "postcss-loader": "4.0.3",
+    "postcss-loader": "4.3.0",
     "postcss-url": "10.1.3",
     "rimraf": "2.7.1",
     "sass-loader": "7.3.1",