Fixup gpuinfo.sh for amd gpu

[zeerayne]

Pull Request

Description

On AMD GPUs gpuinfo.sh had one minor problem: Utilization always show "lowest" gauge icon not respecting the actual gpu load because of empty "utilization" variable on row 154

{"text":" 38°C", "tooltip":"AMD Navi 14\n Temperature: 38°C ❄️\n󰾆 Utilization: 0.2%\n󱪉 Power Usage: 7 W\n Clock Speed: 492 MHz"}

{"text":" 86°C", "tooltip":"AMD Navi 14\n Temperature: 86°C 🌋\n󰾆 Utilization: 96.4%\n󱪉 Power Usage: 122 W\n Clock Speed: 850 MHz"}

This change rename gpu_load -> utilization in amd_GPU() function to match intel & nvidia functions.

Type of change

Please put an x in the boxes that apply:

• 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)
• Documentation update (non-breaking change; modified files are limited to the documentations)
• Technical debt (a code change that does not fix a bug or add a feature but makes something clearer for devs)
• Other (provide details below)

Checklist

Please put an x in the boxes that apply:

• I have read the CONTRIBUTING document.
• My code follows the code style of this project.
• My commit message follows the commit guidelines.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added a changelog entry.
• I have added necessary comments/documentation to my code.
• I have added tests to cover my changes.
• I have tested my code locally and it works as expected.
• All new and existing tests passed.

Screenshots

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Additional context

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[zeerayne]

@kRHYME7 can you kindly check this one? Minor fix in one script