Scippnexus

What's Changed
* Fix a couple of potential races and improve fault tolerance in release by SimonHeybrock in https://github.com/scipp/scippnexus/pull/75
* Fix NXdetector by SimonHeybrock in https://github.com/scipp/scippnexus/pull/76


**Full Changelog**: https://github.com/scipp/scippnexus/compare/0.4.0...0.4.1

What's Changed
* Fix PR urls in release notes by nvaytet in https://github.com/scipp/scippnexus/pull/60
* Fix exception when iterating NXobject that cannot be loaded by SimonHeybrock in https://github.com/scipp/scippnexus/pull/58
* Small fixes by SimonHeybrock in https://github.com/scipp/scippnexus/pull/62
* Bump JamesIves/github-pages-deploy-action from 4.4.0 to 4.4.1 by dependabot in https://github.com/scipp/scippnexus/pull/64
* Run pip-compile-multi to update dependencies by SimonHeybrock in https://github.com/scipp/scippnexus/pull/66
* Try workflow for updating scipp by SimonHeybrock in https://github.com/scipp/scippnexus/pull/67
* Update to latest Scipp version by github-actions in https://github.com/scipp/scippnexus/pull/68
* Update to latest Scipp version by scipp-auto-update in https://github.com/scipp/scippnexus/pull/71
* Bump scipp from 0.12.4 to 0.17.0 in /requirements by dependabot in https://github.com/scipp/scippnexus/pull/72
* Application definitions by SimonHeybrock in https://github.com/scipp/scippnexus/pull/63
* Document application definition mechanism by SimonHeybrock in https://github.com/scipp/scippnexus/pull/74

New Contributors
* github-actions made their first contribution in https://github.com/scipp/scippnexus/pull/68
* scipp-auto-update made their first contribution in https://github.com/scipp/scippnexus/pull/71

**Full Changelog**: https://github.com/scipp/scippnexus/compare/0.3.2...0.4.0

Work around bug/inconsistency in scipp return type for value of scalar variable.

**Full Changelog**: https://github.com/scipp/scippnexus/compare/0.3.1...0.3.2

**Full Changelog**: https://github.com/scipp/scippnexus/compare/0.3.0...0.3.1

What's Changed
* Load all content from NXsource, NXsample, and NXdisk_chopper by SimonHeybrock in https://github.com/scipp/scippnexus/pull/54
* Support `Field` as __getitem__ key and tuples of classes by SimonHeybrock in https://github.com/scipp/scippnexus/pull/55
* Use list instead of tuple of classes in __getitem__ by SimonHeybrock in https://github.com/scipp/scippnexus/pull/56
* Return python obj for non array fields by SimonHeybrock in https://github.com/scipp/scippnexus/pull/57


**Full Changelog**: https://github.com/scipp/scippnexus/compare/0.2.1...0.3.0