Update dependency immutable to v4.3.3 (mastodon#26622)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

yarn.lock

@@ -6643,9 +6643,9 @@ immutable@^3.8.2:
   integrity sha512-15gZoQ38eYjEjxkorfbcgBKBL6R7T459OuK+CpcWt7O3KF4uPCx2tD0uFETlUDIyo+1789crbMhTvQBSR5yBMg==
 
 immutable@^4.0.0, immutable@^4.0.0-rc.1, immutable@^4.3.0:
-  version "4.3.2"
-  resolved "https://registry.yarnpkg.com/immutable/-/immutable-4.3.2.tgz#f89d910f8dfb6e15c03b2cae2faaf8c1f66455fe"
-  integrity sha512-oGXzbEDem9OOpDWZu88jGiYCvIsLHMvGw+8OXlpsvTFvIQplQbjg1B1cvKg8f7Hoch6+NGjpPsH1Fr+Mc2D1aA==
+  version "4.3.3"
+  resolved "https://registry.yarnpkg.com/immutable/-/immutable-4.3.3.tgz#8934ff6826d996a7642c8dc4b46e694dd19561e3"
+  integrity sha512-808ZFYMsIRAjLAu5xkKo0TsbY9LBy9H5MazTKIEHerNkg0ymgilGfBPMR/3G7d/ihGmuK2Hw8S1izY2d3kd3wA==
 
 import-fresh@^3.2.1:
   version "3.3.0"