xradar v0.7.0

This is the last release which supports the standalone datatree package. xarray is therefore pinned to <=2024.9.0.

What's Changed

• ADD: New function - Apply to sweeps by @syedhamidali in #202
• FIX: testsuite by @kmuehlbauer in #214
• ADD: MRR2 backend reattempt by @rcjackson in #198
• Add xarray nightly CI run by @kmuehlbauer in #215
• Pin xarray to 2024.9.0 and release v0.7.0 by @kmuehlbauer in #219

Full Changelog: v0.6.5...v0.7.0