v0.7.2

Use html backend for trame as it works nicely for jupyter-book and interactive plots (bump pyvista to main branch).
Bump DOLFINx to 0.7.2
Use pyproject.toml for project description.

What's Changed

• Bump pyvista and dolfinx to v0.7.2 by @jorgensd in #159

Full Changelog: v0.7.1...v0.7.2