develop
feat: FIT-173: Audio spectrograms (#7400)
ci: enable some rules in biome (#6128)
feat: OPTIC-1217: Implement Color design tokens as CSS variables and Dark Mode (#6550)
fix: FIT-133: Locked region can be edited on Timeline (#7622)
refactor: echo 27: Introducing biome (#5759)
refactor: OPTIC-987: convert styl to scss (#6228)
feat: LEAP-1924: Allow to edit Timeline span by drag-n-drop (#7251)