v2.2.2

Changelog

• 4632920 build: update dependencies to fix security vulnerabilities
• 3b8400e feat(cmd): add -v flag to output current version
• 248129c feat: add PostgreSQL support and fix database compatibility #84
• d07974e feat: optimize model migration and add async hosted message generation
• b76c681 fix: bump go-version to 1.25 in GitHub Actions
• f40f5f3 fix: correct hosted message preview url path