graphics/vhs: Update to 0.7.2
ChangeLog: https://github.com/charmbracelet/vhs/releases/tag/v0.7.2
Bug fixes
- Fix vhs serve mode
- Update log dependency
Other work
- Fix app crash when there is repeated SLEEP at the end of the "lines" slice
- Refactor Lexer, Parser, Token into packages
PR: 279613
Reported by: DtxdF@disroot.org (maintainer)