🚀 xradar v0.5.0 🚀

What's Changed

• MNT: Update GitHub actions, address DeprecationWarnings by @kmuehlbauer in #153
• MIN: Restructure odim.py/gamic.py, add test_odim.py/test_gamic.py by @kmuehlbauer in #154
• MNT: Use CODECOV token by @kmuehlbauer in #155
• MNT: Fix path for notebook coverage by @kmuehlbauer in #157
• NEXRAD Level2 structured reader by @kmuehlbauer in #158
• FIX: Add the proper elevation angle to fixed angle by @mgrover1 in #162
• ENH: Add a utility for finding sweep number keys by @mgrover1 in #167

Full Changelog: 0.4.3...v0.5.0