build(deps-dev): bump zest-releaser from 7.2.0 to 7.3.0

Bumps [zest-releaser](https://zestreleaser.readthedocs.io) from 7.2.0 to 7.3.0.

---
updated-dependencies:
- dependency-name: zest-releaser
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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