* Bump github.com/google/trillian from 1.3.10 to 1.3.13

Bumps [github.com/google/trillian](https://github.com/google/trillian) from 1.3.10 to 1.3.13.
- [Release notes](https://github.com/google/trillian/releases)
- [Changelog](https://github.com/google/trillian/blob/master/CHANGELOG.md)
- [Commits](https://github.com/google/trillian/compare/v1.3.10...v1.3.13

)

Signed-off-by: dependabot[bot] <support@github.com>

* update to new package structure

Signed-off-by: Bob Callaway <bcallawa@redhat.com>

* register hasher

Signed-off-by: Bob Callaway <bcallawa@redhat.com>

* revert to original naming

Signed-off-by: Bob Callaway <bcallawa@redhat.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Bob Callaway <bcallawa@redhat.com>
Co-authored-by: Bob Callaway <bobcallaway@users.noreply.github.com>