feat: Table grid navigation

[pan-kot]

Description

The PR integrates grid navigation (enhanced keyboard navigation) feature into the table component and makes it available through a public API.

Related links:

• API: 5uPHAylzAuFG
• Tech design: KtAVARsTM7ko
• Draft guidelines: U6xBAYcsDaYu
• Bug bash: 8QVkA8fIBunR
• Previous PR: https://github.com/cloudscape-design/components/pull/1856

How has this been tested?

More integration tests to existing pages (inline editing, resizable columns, shift selection). Screenshot tests

Review checklist

The following items are to be evaluated by the author(s) and the reviewer(s).

Correctness

• Changes include appropriate documentation updates.
• Changes are backward-compatible if not indicated, see CONTRIBUTING.md.
• Changes do not include unsupported browser features, see CONTRIBUTING.md.
• Changes were manually tested for accessibility, see accessibility guidelines.

Security

• If the code handles URLs: all URLs are validated through the checkSafeUrl function.

Testing

• Changes are covered with new/existing unit tests?
• Changes are covered with new/existing integration tests?

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[codecov[bot]]

Codecov Report

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (2af7864) 94.79% compared to head (2e6e5ee) 94.78%.

Files	Patch %	Lines
src/table/internal.tsx	97.56%	1 Missing :warning:
src/table/table-role/utils.ts	80.00%	1 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1893      +/-   ##
==========================================
- Coverage   94.79%   94.78%   -0.02%     
==========================================
  Files         666      666              
  Lines       17972    17992      +20     
  Branches     5935     5942       +7     
==========================================
+ Hits        17037    17054      +17     
- Misses        870      873       +3     
  Partials       65       65              

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