build(deps): bump pages/.vitepress/theme from 464f986 to eb6d582

Bumps [pages/.vitepress/theme](https://github.com/GabsEdits/aplos-theme) from `464f986` to `eb6d582`.
- [Commits](aplosdev/submodule@464f986...eb6d582)

---
updated-dependencies:
- dependency-name: pages/.vitepress/theme
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>