rom-tools: revision bump (flac 1.4.0)
rom-tools: revision bump (flac 1.4.0)

- remove `gcc` dependency on Linux.
- fix `python3` reference.

Homebrew/homebrew-core,makigumo/homebrew-core,nandub/homebrew-core,lemzwerg/homebrew-core,nandub/homebrew-core,sjackman/homebrew-core,filcab/homebrew-core,adam-moss/homebrew-core,chrisfinazzo/homebrew-core,filcab/homebrew-core,makigumo/homebrew-core,adam-moss/homebrew-core,stgraber/homebrew-core,stgraber/homebrew-core,chrisfinazzo/homebrew-core,lemzwerg/homebrew-core,Homebrew/homebrew-core,sjackman/homebrew-core