Bump immer from 8.0.1 to 9.0.6

Bumps [immer](https://github.com/immerjs/immer) from 8.0.1 to 9.0.6.
- [Release notes](https://github.com/immerjs/immer/releases)
- [Commits](https://github.com/immerjs/immer/compare/v8.0.1...v9.0.6)

---
updated-dependencies:
- dependency-name: immer
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -54,7 +54,7 @@
     "fs-extra": "7.0.1",
     "html-webpack-plugin": "4.0.0-beta.5",
     "identity-obj-proxy": "3.0.0",
-    "immer": "^8.0.1",
+    "immer": "^9.0.6",
     "is-wsl": "^1.1.0",
     "jest": "24.9.0",
     "jest-environment-jsdom-fourteen": "0.1.0",

yarn.lock

@@ -6204,10 +6204,10 @@ immer@^6.0.1:
   resolved "https://registry.yarnpkg.com/immer/-/immer-6.0.5.tgz#77187d13b71c6cee40dde3b8e87a50a7a636d630"
   integrity sha512-Q2wd90qrgFieIpLzAO2q9NLEdmyp/sr76Ml4Vm5peUKgyTa2CQa3ey8zuzwSKOlKH7grCeGBGUcLLVCVW1aguA==
 
-immer@^8.0.1:
-  version "8.0.1"
-  resolved "https://registry.yarnpkg.com/immer/-/immer-8.0.1.tgz#9c73db683e2b3975c424fb0572af5889877ae656"
-  integrity sha512-aqXhGP7//Gui2+UrEtvxZxSquQVXTpZ7KDxfCcKAF3Vysvw0CViVaW9RZ1j1xlIYqaaaipBoqdqeibkc18PNvA==
+immer@^9.0.6:
+  version "9.0.6"
+  resolved "https://registry.yarnpkg.com/immer/-/immer-9.0.6.tgz#7a96bf2674d06c8143e327cbf73539388ddf1a73"
+  integrity sha512-G95ivKpy+EvVAnAab4fVa4YGYn24J1SpEktnJX7JJ45Bd7xqME/SCplFzYFmTbrkwZbQ4xJK1xMTUYBkN6pWsQ==
 
 import-cwd@^2.0.0:
   version "2.1.0"