chore(deps): bump redhat/ubi8 from 5993454 to 78c110b in /build (#7527)

Bumps redhat/ubi8 from `5993454` to `78c110b`.

---
updated-dependencies:
- dependency-name: redhat/ubi8
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Jakub Jarosz <[email protected]>

Author: dependabot[bot]