chore(deps): update dependency immer to v9.0.19 (#3426)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [immer](https://togithub.com/immerjs/immer) | [`9.0.16` ->
`9.0.19`](https://renovatebot.com/diffs/npm/immer/9.0.16/9.0.19) |
[![age](https://badges.renovateapi.com/packages/npm/immer/9.0.19/age-slim)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://badges.renovateapi.com/packages/npm/immer/9.0.19/adoption-slim)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://badges.renovateapi.com/packages/npm/immer/9.0.19/compatibility-slim/9.0.16)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://badges.renovateapi.com/packages/npm/immer/9.0.19/confidence-slim/9.0.16)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

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

### [`v9.0.19`](https://togithub.com/immerjs/immer/releases/tag/v9.0.19)

[Compare
Source](https://togithub.com/immerjs/immer/compare/v9.0.18...v9.0.19)

##### Bug Fixes

- don't freeze drafts returned from produce if they were passed in as
draft ([#&#8203;917](https://togithub.com/immerjs/immer/issues/917))
([46867f8](https://togithub.com/immerjs/immer/commit/46867f8aa90f6c8d2d94517f6bd748d679b6ea79))
- produce results should never be frozen when returned from nested
produces, to prevent 'hiding' drafts. Fixes
[#&#8203;935](https://togithub.com/immerjs/immer/issues/935)
([a810960](https://togithub.com/immerjs/immer/commit/a81096024ca1d6de75feb0b26a2f6a4aa5ae4bf7))
- release and publish from 'main' rather than 'master' branch
([82acc40](https://togithub.com/immerjs/immer/commit/82acc409b2b1d66373fc44200443e63917a32198))
- revert earlier fix
([#&#8203;990](https://togithub.com/immerjs/immer/issues/990)) for
recursive types
([#&#8203;1014](https://togithub.com/immerjs/immer/issues/1014))
([3eeb331](https://togithub.com/immerjs/immer/commit/3eeb33190523635a2fc3a8aa7f83b537d15a7c3c))
- Upgrade Github actions to Node 16 attempt 1
([9d4ea93](https://togithub.com/immerjs/immer/commit/9d4ea93f8eb17f646aef2782f1d088a8c109bd53))
- Upgrade Github actions to Node 16 attempt 2
([082eecd](https://togithub.com/immerjs/immer/commit/082eecd6101d27d1fda1817461ef0ad060341715))

### [`v9.0.18`](https://togithub.com/immerjs/immer/releases/tag/v9.0.18)

[Compare
Source](https://togithub.com/immerjs/immer/compare/v9.0.17...v9.0.18)

##### Bug Fixes

- Preserve insertion order of Sets, fixes
[#&#8203;819](https://togithub.com/immerjs/immer/issues/819)
([#&#8203;976](https://togithub.com/immerjs/immer/issues/976))
([b3eeb69](https://togithub.com/immerjs/immer/commit/b3eeb69f2926c5f9ef3632023d3ef0695470f724))
- unnecessarily recursive Draft type
([#&#8203;990](https://togithub.com/immerjs/immer/issues/990))
([b9eae1d](https://togithub.com/immerjs/immer/commit/b9eae1d18083b63cf37483183e91356ec5ee912c))

### [`v9.0.17`](https://togithub.com/immerjs/immer/releases/tag/v9.0.17)

[Compare
Source](https://togithub.com/immerjs/immer/compare/v9.0.16...v9.0.17)

##### Bug Fixes

- special case NaN in setter
([#&#8203;912](https://togithub.com/immerjs/immer/issues/912))
([5721bb7](https://togithub.com/immerjs/immer/commit/5721bb7cface08fe8727d69ead406fc9ff2b8cde))

</details>

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website/yarn.lock

@@ -8760,9 +8760,9 @@ image-size@^1.0.1:
     queue "6.0.2"
 
 immer@^9.0.16, immer@^9.0.6, immer@^9.0.7:
-  version "9.0.16"
-  resolved "https://registry.yarnpkg.com/immer/-/immer-9.0.16.tgz#8e7caab80118c2b54b37ad43e05758cdefad0198"
-  integrity sha512-qenGE7CstVm1NrHQbMh8YaSzTZTFNP3zPqr3YU0S0UY441j4bJTg4A2Hh5KAhwgaiU6ZZ1Ar6y/2f4TblnMReQ==
+  version "9.0.21"
+  resolved "https://registry.yarnpkg.com/immer/-/immer-9.0.21.tgz#1e025ea31a40f24fb064f1fef23e931496330176"
+  integrity sha512-bc4NBHqOqSfRW7POMkHd51LvClaeMXpm8dx0e8oE2GORbq5aRK7Bxl4FyzVLdGtLmvLKL7BTDBG5ACQm4HWjTA==
 
 immutable@^4.0.0:
   version "4.3.0"