build(deps): bump .git_submodules/catppuccin-mpv (#8)

Bumps [.git_submodules/catppuccin-mpv](https://github.com/catppuccin/mpv) from `db31f00` to `7fc6ed9`.
- [Commits](catppuccin/mpv@db31f00...7fc6ed9)

---
updated-dependencies:
- dependency-name: ".git_submodules/catppuccin-mpv"
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>