Bump rust-embed from 8.11.0 to 8.12.0

Bumps rust-embed from 8.11.0 to 8.12.0.

---
updated-dependencies:
- dependency-name: rust-embed
  dependency-version: 8.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]