Bellows

What's Changed
* Do not read build string without first checking XNCP feature bitmap by puddly in https://github.com/zigpy/bellows/pull/660


**Full Changelog**: https://github.com/zigpy/bellows/compare/0.42.5...0.42.6

What's Changed
* Do not read XNCP flow control on older radios by puddly in https://github.com/zigpy/bellows/pull/659


**Full Changelog**: https://github.com/zigpy/bellows/compare/0.42.4...0.42.5

What's Changed
* Disable XNCP `MEMBER_OF_ALL_GROUPS` on current firmwares by puddly in https://github.com/zigpy/bellows/pull/658


**Full Changelog**: https://github.com/zigpy/bellows/compare/0.42.3...0.42.4

What's Changed
* Fix XNCP parsing for hacked LIDL gateway by puddly in https://github.com/zigpy/bellows/pull/657


**Full Changelog**: https://github.com/zigpy/bellows/compare/0.42.2...0.42.3

What's Changed
* Gracefully handle a few more XNCP parsing failures by puddly in https://github.com/zigpy/bellows/pull/653


**Full Changelog**: https://github.com/zigpy/bellows/compare/0.42.1...0.42.2

What's Changed
* Support firmware extensions by puddly in https://github.com/zigpy/bellows/pull/611


**Full Changelog**: https://github.com/zigpy/bellows/compare/0.42.0...0.42.1