Merge branch 'immutable-14' into 'develop'

Upgrade immutable.js to v14

See merge request soapbox-pub/soapbox-fe!1067

package.json

@@ -91,7 +91,7 @@
     "html-webpack-harddisk-plugin": "^2.0.0",
     "html-webpack-plugin": "^5.3.2",
     "http-link-header": "^1.0.2",
-    "immutable": "^4.0.0-rc.14",
+    "immutable": "^4.0.0",
     "imports-loader": "^1.0.0",
     "intersection-observer": "^0.12.0",
     "intl": "^1.2.5",

yarn.lock

@@ -5129,10 +5129,10 @@ immediate@~3.0.5:
   resolved "https://registry.yarnpkg.com/immediate/-/immediate-3.0.6.tgz#9db1dbd0faf8de6fbe0f5dd5e56bb606280de69b"
   integrity sha1-nbHb0Pr43m++D13V5Wu2BigN5ps=
 
-immutable@^4.0.0-rc.14:
-  version "4.0.0-rc.14"
-  resolved "https://registry.yarnpkg.com/immutable/-/immutable-4.0.0-rc.14.tgz#29ba96631ec10867d1348515ac4e6bdba462f071"
-  integrity sha512-pfkvmRKJSoW7JFx0QeYlAmT+kNYvn5j0u7bnpNq4N2RCvHSTlLT208G8jgaquNe+Q8kCPHKOSpxJkyvLDpYq0w==
+immutable@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/immutable/-/immutable-4.0.0.tgz#b86f78de6adef3608395efb269a91462797e2c23"
+  integrity sha512-zIE9hX70qew5qTUjSS7wi1iwj/l7+m54KWU247nhM3v806UdGj1yDndXj+IOYxxtW9zyLI+xqFNZjTuDaLUqFw==
 
 import-fresh@^2.0.0:
   version "2.0.0"