Bump immutable from 4.3.4 to 4.3.9 (#5601)

Author: dependabot[bot]

yarn.lock

@@ -2888,9 +2888,9 @@ immediate@~3.0.5:
   integrity sha512-XXOFtyqDjNDAQxVfYxuF7g9Il/IbWmmlQg2MYKOH8ExIT1qg6xc4zyS3HaEEATgs1btfzxq15ciUiY7gjSXRGQ==
 
 immutable@^4.0.0:
-  version "4.3.4"
-  resolved "https://registry.npmjs.org/immutable/-/immutable-4.3.4.tgz"
-  integrity sha512-fsXeu4J4i6WNWSikpI88v/PcVflZz+6kMhUfIwc5SY+poQRPnaf5V7qds6SUyUN3cVxEzuCab7QIoLOQ+DQ1wA==
+  version "4.3.9"
+  resolved "https://registry.yarnpkg.com/immutable/-/immutable-4.3.9.tgz#c98349e05e9c6e2a4d8fe88ac0b363e0d536b544"
+  integrity sha512-ObHy4YN7ycwZOUCLI1/6svfyAFu7vL8RhAvVu/bh/RZW9EPlOyDaQ9jDQWCtdqzaXUjgXZCW1migtHE7YI7UGQ==
 
 import-fresh@^3.2.1, import-fresh@^3.3.0:
   version "3.3.0"