chore: deprecate dataframe in AzureOCRDocumentConverter

[sjrl]

Related Issues

• fixes Refactor AzureOCRDocumentConverter to not produce Documents with the dataframe field #8852

Proposed Changes:

Removes saving of table documents as dataframes. Instead saves them as CSV strings.

How did you test it?

Todo

Notes for the reviewer

Checklist

• I have read the contributors guidelines and the code of conduct
• I have updated the related issue with new insights and changes
• I added unit tests and updated the docstrings
• I've used one of the conventional commit types for my PR title: fix:, feat:, build:, chore:, ci:, docs:, style:, refactor:, perf:, test: and added ! in case the PR includes breaking changes.
• I documented my code
• I ran pre-commit hooks and fixed any issue

[coveralls]

Pull Request Test Coverage Report for Build 13456021485

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 20 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.01%) to 90.144%

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Files with Coverage Reduction	New Missed Lines	%
components/converters/azure.py	20	89.2%

Totals
Change from base Build 13455055613:	-0.01%
Covered Lines:	9485
Relevant Lines:	10522

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💛 - Coveralls