Improve JSON extraction, add extraction to Task Memory

[collindutter]

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Describe your changes

Added

• extract_json and extract_csv Activities to TaskMemoryClient.
• extract_json_namespace and extract_csv_namespace methods to TaskMemory.

Changed

• BREAKING: Split parameter JsonExtractionEngine.template_generator into system_template_generator and user_template_generator.
• BREAKING: Split parameter CsvExtractionEngine.template_generator into system_template_generator and user_template_generator.
• BREAKING: Split JsonExtractionEngine.extract into extract_text and extract_artifacts.
• BREAKING: Split CsvExtractionEngine.extract into extract_text and extract_artifacts.
• Parse json from LLM output before loading in JsonExtractionEngine.

Fixed

• Missing implementations of csv_extraction_engine and json_extraction_engine in TextArtifactStorage.

Issue ticket number and link

Closes #1024

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📚 Documentation preview 📚: https://griptape--1044.org.readthedocs.build//1044/

[codecov]

Codecov Report

Attention: Patch coverage is 70.96774% with 18 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...ptape/memory/task/storage/text_artifact_storage.py	50.00%	2 Missing and 2 partials ⚠️
griptape/memory/task/task_memory.py	60.00%	2 Missing and 2 partials ⚠️
griptape/tools/task_memory_client/tool.py	75.00%	2 Missing and 2 partials ⚠️
...iptape/engines/extraction/csv_extraction_engine.py	71.42%	1 Missing and 1 partial ⚠️
...ptape/engines/extraction/json_extraction_engine.py	84.61%	1 Missing and 1 partial ⚠️
...ptape/memory/task/storage/blob_artifact_storage.py	50.00%	2 Missing ⚠️

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