chore(deps): bump nginx/dependencies/nginx-ubi from 12b2f67 to 786fe8e in /build (#8235)

chore(deps): bump nginx/dependencies/nginx-ubi in /build

Bumps [nginx/dependencies/nginx-ubi](https://github.com/nginx/kubernetes-ingress) from `12b2f67` to `786fe8e`.
- [Release notes](https://github.com/nginx/kubernetes-ingress/releases)
- [Changelog](https://github.com/nginx/kubernetes-ingress/blob/main/CHANGELOG.md)
- [Commits](https://github.com/nginx/kubernetes-ingress/commits)

---
updated-dependencies:
- dependency-name: nginx/dependencies/nginx-ubi
  dependency-version: 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: Venktesh Shivam Patel <[email protected]>

Author: dependabot[bot]