Bump version v1.7.0 [skip actions]

Bump version v1.6.0 [skip actions]

Bump version v1.5.0 [skip actions]

Bump version v1.4.0 [skip actions]

Edit pull request template (lichtblick-suite#22)

**User-Facing Changes**
There is no user-facing changes

**Description**

Adding a checklist to remind the developer about the checks that we
agreed to perform before merging a PR.

changes for desktop packaging