Testing with act

What's Changed

• Update pre-commit hook astral-sh/ruff-pre-commit to v0.9.2 by @renovate in #16
• install act by @tschm in #18
• testing Marimo flow by @tschm in #19
• testing Marimo flow by @tschm in #20
• Update actions/upload-artifact action to v4 by @renovate in #21
• 22 use cradle action by @tschm in #23
• Update act.yml by @tschm in #24
• Update act.yml by @tschm in #25
• Update marimo.yml by @tschm in #26

Full Changelog: v0.2.4...v0.4.0