Bump version to 2.2

[mattijn]

Version 2.2:

• Polars in, such as the GeoDataFrame of polars-st (Accept a Polars DataFrame with geometries as WKB, such as polars-st #275), and out with to_polars() (Add Topology.to_polars(), with the geometries as WKB as polars-st stores them #276)
• documentation built with Zensical, with the examples run while it is built (Build the documentation with Zensical #272, Fix the paths of the figures and scripts in the documentation #273, Describe the arcs of topology=True as the example gives them #274)
• the widget of to_widget in the browser with Pyodide (Run the widget of to_widget in the browser with Pyodide #271)

🤖 Generated with Claude Code

[github-actions]

Benchmark result

These PR changes are benchmarked against five files (see tests/benchmark_compute.py for what each one tests), compared with PyPi's latest release and the repository's main branch.