Installation fails on Intel-based Mac

[mstrzele]

/var/folders/fd/9b02kmtn6jsgzm0xbt0fcgfh0000gn/T/1023900212.brew_bundle.sh: line 3: /opt/homebrew/bin/brew: No such file or directory
/var/folders/fd/9b02kmtn6jsgzm0xbt0fcgfh0000gn/T/1023900212.brew_bundle.sh: line 6: /opt/homebrew/bin/brew: No such file or directory
/var/folders/fd/9b02kmtn6jsgzm0xbt0fcgfh0000gn/T/1023900212.brew_bundle.sh: line 6: /opt/fzf/install: No such file or directory

[mstrzele]

/Users/mstrzele/.zshrc:source:28: no such file or directory: /Users/mstrzele/.fzf.zsh
/Users/mstrzele/.zshrc:source:36: no such file or directory: /Users/mstrzele/.iterm2_shell_integration.zsh
/Users/mstrzele/.zshrc:source:73: no such file or directory: /opt/homebrew/Caskroom/google-cloud-sdk/latest/google-cloud-sdk/path.zsh.inc
/Users/mstrzele/.zshrc:source:74: no such file or directory: /opt/homebrew/Caskroom/google-cloud-sdk/latest/google-cloud-sdk/completion.zsh.inc
/Users/mstrzele/.completion:source:5: no such file or directory: /opt/homebrew/etc/bash_completion.d/az