Change Homebrew data dir from fermyon-spin to spinframework-spin

[kate-goldenring]

Updates data directory for Homebrew to not be Fermyon specific as the homebrew tap has moved to the spinframework org: https://github.com/spinframework/homebrew-tap

I need to double check how homebrew autodetects this cleanup. I think it is naming based in which case this should change the cleanup from

 » brew uninstall spin
Uninstalling /opt/homebrew/Cellar/spin/3.1.2... (6 files, 88.3MB)

Warning: The following may be spin configuration files and have not been removed!
If desired, remove them manually with `rm -rf`:
  /opt/homebrew/etc/fermyon-spin

To

» brew uninstall spin
Uninstalling /opt/homebrew/Cellar/spin/3.1.2... (6 files, 88.3MB)

Warning: The following may be spin configuration files and have not been removed!
If desired, remove them manually with `rm -rf`:
  /opt/homebrew/etc/spinframework-spin