build(deps): bump Externals/imgui from `d822c65` to `9166743`

Created by: dependabot[bot]

Bumps Externals/imgui from d822c65 to 9166743.

Commits

• 9166743 Tables: increase table columns limit from 64 to 512 using bit array allocated...
• 14908cb Internals: ImBitArray, ImBitVector: using macro helper for common op + disabl...
• db55422 Tables: removed hot RequestOutputMaskByIndex bit-array as majority of code-pa...
• 3482d4e Text: Fixed layouting of wrapped-text block skipping successive empty lines. ...
• 0359f6e Internals: ImDrawList: shallow tweaks to RenderText().
• 51c97a4 PlotHistogram, PlotLines: Passing negative sizes honor alignment like other w...
• 82fdd70 Update FAQ.md
• ccf94e2 Strip seemingly unecessary tests, as UTF-8 decoder can not return null since ...
• 55b8ce9 Reword ImTextCharFromUtf8() to avoid a warning + marked UTF-8 functions with ...
• 1297a2b Text: Tweaked rendering of three-dots "..." ellipsis variant. Baking more dat...
• Additional commits viewable in compare view

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