Indi-pylibcamera

- running old driver gets killed when started with `python3` and `python`
- fixed typo in label "Disconnect"

- fixed maximum exposure time for cameras reporting max < min (for instance for IMX296)

- fixed installation issues

- fixed ROWORDER attribute in FITS files (KStars/EKOS ignores this but some postprocessing tools need this fix to
have the Bayer pattern in the correct order)
- more details in install_requires of the wheel
- adapted install instructions in README.md to meet newer OS versions (installation in virtual environment)
- removed indi_pylibcamera_postinstall from installation: does not work from virtual environment

- support for monochrome cameras
- support for new raw and RGB frame formats (including monochrome)
- disable astropy to download the latest IERS-A table from internet to avoid errors during observation session
- better stability of exposure loop

- fixed changed data alignment in Pi 5 raw images