- Adding "Source100: xpra-rpmlintrc" to appease SR#1095874
being declined

- Adding more Recommends per:
https://github.com/Xpra-org/xpra/blob/master/docs/Build/Dependencies.md

- Update to version 5.0+git20230617.2a908f54:
* minor type hint fixes
* use the more common filename
* more type hints
* replace buster with trixie
* same file, but more consistent filename
* #3863 use the new key everywhere
* more type hints
* unused import
* get_nsview_ptr needs a gdk window
* misname callback
* PyOpenGL-accelerate 3.1.7 requires numpy to load
* more type hints
* try harder to format the log record
* don't ship cython's html files
* no need for nested exceptions
* skip None values
* '<' means '<=' and we have to use '<<' to mean less than
* replace 'assert' with more specific exception types
* try harder to prevent conflicts with older 'xpra' packages
* wrap all tuples, for better compatibility with type hints
* older versions of Python struggle with the type hints syntax
* more type hints
* missing build deps