build(deps): bump .git_submodules/catppuccin-helix (#92)

Bumps [.git_submodules/catppuccin-helix](https://github.com/catppuccin/helix) from `7e468da` to `53a4de7`.
- [Commits](catppuccin/helix@7e468da...53a4de7)

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

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