set_sound_volume (Sound)

[JaskRendix]

PR introduces a new method set_sound_volume(sound_type, volume) which lets you change the volume of individual sound types after they've been loaded and to reduce code duplication, I've introduced a play_sound_type(sound_type) method (if it's fine, could you add it to the pygame-ce version too?).

[ppizarror]

Hi @JaskRendix, Thanks for this contribution. It all seems great and follows the library's code standards. Merging!

[codecov]

Codecov Report

Attention: Patch coverage is 95.65217% with 1 line in your changes missing coverage. Please review.

Project coverage is 97.15%. Comparing base (7a200ac) to head (8d0226f).
Report is 23 commits behind head on master.

Files with missing lines	Patch %	Lines
pygame_menu/sound.py	95.65%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #492   +/-   ##
=======================================
  Coverage   97.15%   97.15%           
=======================================
  Files          49       49           
  Lines       12474    12485   +11     
=======================================
+ Hits        12119    12130   +11     
  Misses        355      355           

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[JaskRendix]

@ppizarror you're welcome, could you add it here (https://github.com/ppizarror/pygame-menu/tree/4.4.3-ce)?