Release 5.0-beta (JabRef#5684)

* Update changelog for 5.0-beta

* Release v5.0-beta

* Fix Version number to 5.0.1

* Set dev to false on tag builds

* i suck...

* wertzhujiklö

* evaluate the dev property

* Fix Unreleased link in CHANGELOG.md (and fix order of link list)

* Fix release date

* Trigger build with tag

* Try ?? to get patch when releasing

* Correct release date

* Update GitVersion.yml

Release v5.0-alpha

Merge branch 'v4.x' of https://github.com/JabRef/jabref into v4.x

Release v4.3

Release v4.2

Release v4.1

Release v4.0

Release v4.0-beta3

Release v4.0-beta2

Release v4.0-beta