chore(deps): update dependency immer to v9.0.21 (#3444)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [immer](https://togithub.com/immerjs/immer) | [`9.0.19` ->
`9.0.21`](https://renovatebot.com/diffs/npm/immer/9.0.19/9.0.21) |
[![age](https://badges.renovateapi.com/packages/npm/immer/9.0.21/age-slim)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://badges.renovateapi.com/packages/npm/immer/9.0.21/adoption-slim)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://badges.renovateapi.com/packages/npm/immer/9.0.21/compatibility-slim/9.0.19)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://badges.renovateapi.com/packages/npm/immer/9.0.21/confidence-slim/9.0.19)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>immerjs/immer</summary>

### [`v9.0.21`](https://togithub.com/immerjs/immer/releases/tag/v9.0.21)

[Compare
Source](https://togithub.com/immerjs/immer/compare/v9.0.20...v9.0.21)

##### Bug Fixes

- ensure type exports is first in package.json export declaration
([#&#8203;1018](https://togithub.com/immerjs/immer/issues/1018))
([b6ccd0f](https://togithub.com/immerjs/immer/commit/b6ccd0f5341cef267c4db816cc28f4df4a5846dd))

### [`v9.0.20`](https://togithub.com/immerjs/immer/releases/tag/v9.0.20)

[Compare
Source](https://togithub.com/immerjs/immer/compare/v9.0.19...v9.0.20)

##### Bug Fixes

- patching maps failed when using number keys
([#&#8203;1025](https://togithub.com/immerjs/immer/issues/1025))
([dd83e2e](https://togithub.com/immerjs/immer/commit/dd83e2e2db0c16e44986feeb3429fe2b7662b2b5))

</details>

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frontend/package.json

@@ -74,7 +74,7 @@
     "eslint-config-react-app": "7.0.1",
     "fast-json-patch": "3.1.1",
     "http-proxy-middleware": "2.0.6",
-    "immer": "9.0.19",
+    "immer": "9.0.21",
     "jsdom": "21.1.1",
     "lodash.clonedeep": "4.5.0",
     "lodash.omit": "4.5.0",

frontend/yarn.lock

@@ -5568,10 +5568,10 @@ ignore@^5.2.0:
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-5.2.4.tgz#a291c0c6178ff1b960befe47fcdec301674a6324"
   integrity sha512-MAb38BcSbH0eHNBxn7ql2NH/kX33OkB3lZ1BNdh7ENeRChHTYsTvWrMubiIAMNS2llXEEgZ1MUOBtXChP3kaFQ==
 
-immer@9.0.19:
-  version "9.0.19"
-  resolved "https://registry.yarnpkg.com/immer/-/immer-9.0.19.tgz#67fb97310555690b5f9cd8380d38fc0aabb6b38b"
-  integrity sha512-eY+Y0qcsB4TZKwgQzLaE/lqYMlKhv5J9dyd2RhhtGhNo2njPXDqU9XPfcNfa3MIDsdtZt5KlkIsirlo4dHsWdQ==
+immer@9.0.21:
+  version "9.0.21"
+  resolved "https://registry.yarnpkg.com/immer/-/immer-9.0.21.tgz#1e025ea31a40f24fb064f1fef23e931496330176"
+  integrity sha512-bc4NBHqOqSfRW7POMkHd51LvClaeMXpm8dx0e8oE2GORbq5aRK7Bxl4FyzVLdGtLmvLKL7BTDBG5ACQm4HWjTA==
 
 immer@^9.0.6:
   version "9.0.18"