fix: add exception handling to get amd gpu usage

[ReenigneArcher]

Description

When first starting RetroArcher, the getCurrentUsage() method, may return an error initially. This PR adds a try/except block around it.

Screenshot

Issues Fixed or Closed

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Dependency update (updates to dependencies)
• Documentation update (changes to documentation)
• Repository update (changes to repository files, e.g. .github/...)

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added or updated the in code docstring/documentation-blocks for new or existing methods/components

Branch Updates

LizardByte requires that branches be up-to-date before merging. This means that after any PR is merged, this branch
must be updated before it can be merged. You must also
Allow edits from maintainers.

• I want maintainers to keep my branch updated

[codecov]

Codecov Report

Attention: 4 lines in your changes are missing coverage. Please review.

Comparison is base (4826e9b) 72.88% compared to head (3377633) 72.61%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #405      +/-   ##
==========================================
- Coverage   72.88%   72.61%   -0.28%     
==========================================
  Files          10       10              
  Lines         793      796       +3     
==========================================
  Hits          578      578              
- Misses        215      218       +3     

Flag	Coverage Δ
Linux-x64	70.97% <20.00%> (-0.27%)	⬇️
Windows-x64	71.23% <20.00%> (-0.27%)	⬇️
Windows-x86	71.23% <20.00%> (-0.27%)	⬇️
macOS-x64	71.48% <20.00%> (-0.28%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
pyra/hardware.py	78.26% <20.00%> (-1.49%)	⬇️