Bump ex_doc from 0.25.3 to 0.25.5
Bumps [ex_doc](https://github.com/elixir-lang/ex_doc) from 0.25.3 to 0.25.5.
- [Release notes](https://github.com/elixir-lang/ex_doc/releases)
- [Changelog](https://github.com/elixir-lang/ex_doc/blob/master/CHANGELOG.md)
- [Commits](https://github.com/elixir-lang/ex_doc/compare/v0.25.3...v0.25.5)
---
updated-dependencies:
- dependency-name: ex_doc
dependency-type: direct:development
update-type: version-update:semver-patch
...
Signed-off-by: dependabot[bot] <support@github.com>