Pyjibe

- fix: add workaround for macOS where the non-native PyQt5 dialogs
did not allow browsing to "/Volumes" (it is now added to the sidebar)
- build: bump afmformats from 0.12.4 to 0.12.5 (OSError:
"Too many files open" with the JPK file format)
- build: bump nanite from 1.6.2 to 1.7.3
- build: pin PyQt5 for GitHub releases
- tests: don't used deprecated weight_cp function from nanite

- build: bump afmformats from 0.12.2 to 0.12.4 (AttributeError
when reading HDF5 files)
- tests: deprecate setup.py test

- build: migrate from travisCI to GitHub Actions
- build: overhauled build pipeline (9)

- build: add pyinstaller hooks for afmformats

- fix: main window not focused after startup
- fix: Windows installation location was confusing and did
not coincide configuration file location
- fix: files are sorted before batch loading
- fix: change visualization of fitting region by gray
wraparound instead of yellow highlight (not visible
on all screens)
- setup: bump afmformats from 0.11.0 to 0.12.2
(improved JPK file format speed)

- setup: bump matplotlib to >=3
(NavigationToolbar2QT modifications)