Action icons are invisible to screen readers

[earthtone0ne]

The added/removed/modified icons in the pull request diff are marked aria-hidden, so that information is not available to people using screen readers.

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[Zeus-Aphrodite]

Hello, sir
Marking the added/removed/modified icons in a pull request (PR) diff as aria-hidden prevents screen readers from announcing these changes, which can negatively impact developers with visual impairments.

[0xTan1319]

It seems that the icons indicating added, removed, or modified lines in GitHub pull request diffs are marked with the aria-hidden attribute, making them inaccessible to screen reader users. This means that people relying on screen readers might not be able to access this important information about changes in the code diff.