Merged requested to merge update_visa into main
Update VISA 1.10.1 -> 1.12.0 and pyvisa-py (0.4.1 -> 0.5.3). Other libraries were updated as well.
Note the library changed its import name (visa -> pyvisa). Backward compatibility is ensured everywhere through
try: import pyvisa except ImportError: import visa as pyvisa
Support for conda is dropped.
The preferred method is now using python's
venv module (also provides better explanation in README.