fix(Handle): add aria-orientation on handles

[5im0n]

The aria-orientation attribute indicates whether the element's orientation is horizontal, vertical.

https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-orientation

[vercel]

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Name	Status	Preview	Comments	Updated
slider	❌ Failed (Inspect)			Feb 16, 2023 at 1:51PM (UTC)

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@3bb74da). Click here to learn what that means.
The diff coverage is 100.00%.

❗ Current head fe245c5 differs from pull request most recent head 7c9ab5b. Consider uploading reports for the commit 7c9ab5b to get more accurate results

@@            Coverage Diff            @@
##             master     #859   +/-   ##
=========================================
  Coverage          ?   99.81%           
=========================================
  Files             ?       13           
  Lines             ?      537           
  Branches          ?      149           
=========================================
  Hits              ?      536           
  Misses            ?        1           
  Partials          ?        0           

Impacted Files	Coverage Δ
src/Handles/Handle.tsx	100.00% <100.00%> (ø)

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