Bump antora from 3.2.0-alpha.9 to 3.2.0-alpha.10
Bumps [antora](https://gitlab.com/antora/antora) from 3.2.0-alpha.9 to 3.2.0-alpha.10.
- [Changelog](https://gitlab.com/antora/antora/blob/main/CHANGELOG.adoc)
- [Commits](https://gitlab.com/antora/antora/compare/v3.2.0-alpha.9...v3.2.0-alpha.10)
---
updated-dependencies:
- dependency-name: antora
dependency-version: 3.2.0-alpha.10
dependency-type: direct:production
update-type: version-update:semver-patch
...
Signed-off-by: dependabot[bot] <support@github.com>