MacOS CI fix for Unexpected appcast call on adoptopenjdk11

Attempt solving MacOS CI Error: `Unexpected method 'appcast' called on Cask adoptopenjdk11.`
Using tip from Homebrew/homebrew-cask#173201 (comment)

Author: Jasha10

.circleci/config.yml

@@ -49,6 +49,7 @@ commands:
             set -x
             brew --version
             brew untap Homebrew/homebrew-cask-versions
+            rm -rf $(brew --caskroom)/adoptopenjdk11  # https://github.com/Homebrew/homebrew-cask/issues/173201#issuecomment-2101662209
             brew update
             brew upgrade git
             brew install fish