feat: build standalone CLI binaries with PyInstaller + clean-room smoketest#318

BartoszBlizniak wants to merge 4 commits into

eng-12825-migrate-cli-packaging-to-uv-pyprojecttomlcloudsmith-io/cloudsmith-cli:eng-12825-migrate-cli-packaging-to-uv-pyprojecttomlfrom

eng-12826-build-standalone-cli-binaries-with-pyinstaller-clean-roomcloudsmith-io/cloudsmith-cli:eng-12826-build-standalone-cli-binaries-with-pyinstaller-clean-roomCopy head branch name to clipboard