fix: preserve aria labels for cell and column of table

[ctith-workfront]

Preserve aria label prop passed into Cell and Column

✅ Pull Request Checklist:

• Included link to corresponding React Spectrum GitHub Issue.
• Added/updated unit tests and storybook for this change (for new code or code which already has tests).
• Filled out test instructions.
• Updated documentation (if it already exists for this component).
• Looked at the Accessibility Practices for this feature - Aria Practices

📝 Test Instructions:

Cell and Column components of Table should apply aria label attributes in the DOM.

[yihuiliao]

Hi, thanks for the PR! Mind giving some context for this? Screenreader's should be reading out the content inside the cell/column even without an attached aria-label

Also you'll need to sign the CLA for all the checks to pass