chore(deps): bump immutable from 4.3.6 to 4.3.8 in /client

Bumps [immutable](https://github.com/immutable-js/immutable-js) from 4.3.6 to 4.3.8.
- [Release notes](https://github.com/immutable-js/immutable-js/releases)
- [Changelog](https://github.com/immutable-js/immutable-js/blob/main/CHANGELOG.md)
- [Commits](immutable-js/immutable-js@v4.3.6...v4.3.8)

---
updated-dependencies:
- dependency-name: immutable
  dependency-version: 4.3.8
  dependency-type: indirect
...

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

Author: dependabot[bot]

client/yarn.lock

@@ -3848,9 +3848,9 @@ iconv-lite@0.6.3:
     safer-buffer ">= 2.1.2 < 3.0.0"
 
 immutable@^4.0.0:
-  version "4.3.6"
-  resolved "https://registry.yarnpkg.com/immutable/-/immutable-4.3.6.tgz#6a05f7858213238e587fb83586ffa3b4b27f0447"
-  integrity sha512-Ju0+lEMyzMVZarkTn/gqRpdqd5dOPaz1mCZ0SH3JV6iFw81PldE/PEB1hWVEA288HPt4WXW8O7AWxB10M+03QQ==
+  version "4.3.8"
+  resolved "https://registry.yarnpkg.com/immutable/-/immutable-4.3.8.tgz#02d183c7727fb2bb1d5d0380da0d779dce9296a7"
+  integrity sha512-d/Ld9aLbKpNwyl0KiM2CT1WYvkitQ1TSvmRtkcV8FKStiDoA7Slzgjmb/1G2yhKM1p0XeNOieaTbFZmU1d3Xuw==
 
 import-fresh@^3.2.1, import-fresh@^3.3.0:
   version "3.3.0"