feat(uniond): add cosmos-sdk version for the app in release mode (#972)

fixes #971 

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## Summary by CodeRabbit

- **New Features**
  - Introduced a new Docker image creation process for `uniond`.
  - Implemented a dynamic version management system for builds.

- **Enhancements**
- Updated build process to include version, commit, and build tag
information.
- Refined CI/CD pipeline to improve build selection and artifact naming.

- **Bug Fixes**
  - Corrected a typo in the `bundle-testnet-next` definition.

- **Documentation**
  - No visible changes to end-user documentation in this release.
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