chore: 🤖 Update immer transitive dependency resolution

Update Immer transitive dependency resolutions to avoid a security issue
reported by dependanbot.

package.json

@@ -55,7 +55,7 @@
     "prismjs": "^1.24.0",
     "npm-user-validate": "^1.0.1",
     "caniuse-lite": "^1.0.30001157",
-    "immer": "^8.0.1",
+    "immer": "^9.0.6",
     "node-notifier": "^8.0.1",
     "highlight.js": "^10.4.1",
     "hoek": "~4.2.0",

yarn.lock

@@ -12369,10 +12369,10 @@ ignore@^5.1.1, ignore@^5.1.4, ignore@^5.1.8:
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-5.1.8.tgz#f150a8b50a34289b33e22f5889abd4d8016f0e57"
   integrity sha512-BMpfD7PpiETpBl/A6S498BaIJ6Y/ABT93ETbby2fP00v4EbvPBXWEoaR1UBPKs3iR53pJY7EtZk5KACI57i1Uw==
 
-immer@8.0.1, immer@^8.0.1:
-  version "8.0.4"
-  resolved "https://registry.yarnpkg.com/immer/-/immer-8.0.4.tgz#3a21605a4e2dded852fb2afd208ad50969737b7a"
-  integrity sha512-jMfL18P+/6P6epANRvRk6q8t+3gGhqsJ9EuJ25AXE+9bNTYtssvzeYbEd0mXRYWCmmXSIbnlpz6vd6iJlmGGGQ==
+immer@8.0.1, 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-fresh@^3.0.0, import-fresh@^3.1.0, import-fresh@^3.2.1:
   version "3.3.0"