Revert "Release/v0.28.0"

[collindutter]

Reverts #947, forgot to bump version

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📚 Documentation preview 📚: https://griptape--948.org.readthedocs.build//948/

[codecov]

Codecov Report

Attention: Patch coverage is 90.09174% with 54 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...riptape/drivers/vector/base_vector_store_driver.py	79.16%	2 Missing and 3 partials ⚠️
...vers/web_scraper/markdownify_web_scraper_driver.py	80.00%	4 Missing and 1 partial ⚠️
griptape/engines/query/vector_query_engine.py	90.24%	3 Missing and 1 partial ⚠️
griptape/schemas/polymorphic_schema.py	0.00%	4 Missing ⚠️
...iptape/drivers/prompt/openai_chat_prompt_driver.py	87.50%	1 Missing and 2 partials ⚠️
griptape/tasks/actions_subtask.py	57.14%	1 Missing and 2 partials ⚠️
griptape/tasks/text_query_task.py	87.50%	2 Missing and 1 partial ⚠️
...prompt/amazon_sagemaker_jumpstart_prompt_driver.py	85.71%	1 Missing and 1 partial ⚠️
griptape/drivers/prompt/anthropic_prompt_driver.py	91.66%	0 Missing and 2 partials ⚠️
griptape/drivers/prompt/google_prompt_driver.py	91.66%	0 Missing and 2 partials ⚠️
... and 14 more

📢 Thoughts on this report? Let us know!