Switch CI from uv to flox#533

chrisaddy merged 1 commit intocodex/expand-ci-workflows-to-include-macos-and-ubuntuoscmcompany/fund:codex/expand-ci-workflows-to-include-macos-and-ubuntufrom

codex/revert-to-flox-and-retain-os-matrixoscmcompany/fund:codex/revert-to-flox-and-retain-os-matrixCopy head branch name to clipboard