3.0.0-beta2

docs: document PSR-7 request body handling patterns
feat(ci): regenerate with components v1.0.0-alpha30 (sudo helper bundled)
feat(ci): regenerate with components v1.0.0-alpha29 (root check fix)
feat(ci): regenerate with components v1.0.0-alpha28 (all fixes)
fix(ci): use --ci-mode option for ci setup command
fix(ci): use 'help' instead of '--version' for PHAR validation
fix(ci): regenerate bootstrap with environment variable support
feat(ci): add GitHub Actions CI workflow with components v1.0.0-alpha27
fix: Re-Add psr/http-message, client, factory standards