v9.1.0

• Add warning for --cni-auto-end usage; fix error messages by @pattra in https://github.com/prismatic-io/prism/pull/211
• Add optional --no-confirm for use with integration version stomping by @pattra in https://github.com/prismatic-io/prism/pull/212

Full Changelog: https://github.com/prismatic-io/prism/compare/v9.0.1...v9.1.0