fix type of resolution CLI flag

[TinfoilSubmarine]

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Description

Without this, I am getting this error:

$ python3 livestream.py MySsid SuperSecurePa55word rtmp://192.168.1.235/test_stream --resolution 4
usage: livestream.py [-h] [--min_bit MIN_BIT] [--max_bit MAX_BIT] [--start_bit START_BIT] [--resolution {4,7,12}]
                     [--fov {0,4,3}] [--log LOG] [--identifier IDENTIFIER]
                     ssid password url
livestream.py: error: argument --resolution: invalid choice: '4' (choose from 4, 7, 12)

[tcamise-gpsw]

This seems valid and we'll need to do the same check for the fov argument.

But first it looks like I need to fix some GH action deprecation problem. I'll do that than rebase this branch

[tcamise-gpsw]

@TinfoilSubmarine can you bring in the latest changes from main to run the checks again?
And also add the "type=int" to the fov argument?

[tcamise-gpsw]

hmmm Mypy does not seem to like this for some reason. I'll set it up and test it