Table: Row Action Column Accessibility issues

[ElishaSamPeterPrabhu]

Description

• Added a title to the row actions column header.
• Replaced the cancel icon in the row actions with the cancel_circle icon.

References
Fixes #2886

Type of change

• 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

How Has This Been Tested?

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• I have checked my code and corrected any misspellings

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Lighthouse	1 paths audited Performance: 23 (🔴 down 1 from production) Accessibility: 98 (no change from production) Best Practices: 92 (no change from production) SEO: 100 (no change from production) PWA: - View the detailed breakdown and full score reports

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[coliff]

compared:
https://deploy-preview-2887--moduswebcomponents.netlify.app/?path=/story/components-table--row-actions
to:
https://moduswebcomponents.netlify.app/?path=/story/components-table--row-actions

Fix looks good!

[prashanth-offcl]

This PR will have to wait until #2874 is merged.

[jewel-shajan]

The accessibility issue has been resolved. Moved for PR Review.