Update dependency llama_index to v0.12.13

[red-hat-konflux]

This PR contains the following updates:

Package	Type	Update	Change
llama_index (source)	project.dependencies	patch	==0.12.8 -> ==0.12.13

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Release Notes

run-llama/llama_index (llama_index)

v0.12.13

Compare Source

• Fixing header_path bug re: markdown level vs. stack depth in MarkdownNodeParser (#​17602)
• Advanced text to sql sample rows, adding row retrieval for few-shot prompts (#​17479)
• Made the message role of ReAct observation configurable (#​17521)
• fix reconstructing a tool in AgentWorkflow (#​17596)
• support content blocks in chat templates (#​17603)
• Add contextual retrieval support with a new DocumentContextExtractor (#​17367)

v0.12.12

Compare Source

• feat: add AgentWorkflow system to support single and multi-agent workflows (#​17237)
• Fix image-path validation in ImageNode (#​17558)

v0.12.11

Compare Source

• fix: bug in MediaResource validator (#​17509)
• handle pandas errors in md to df in MarkdownElementNodeParser (#​17511)
• bugfix: Duplicated citation nodes (#​17440)
• Fixed issue #​17397 by updating the markdown format in MarkdownReader (#​17429)
• feat: support adding images to ChatMessage through additional_kwargs (#​17477)
• feat: async semantic splitter noder parser (#​17449)
• more exception handling in schema llm extractor (#​17432)

v0.12.10

Compare Source

• remove asserts from schema llm extractor (#​17425)
• feat: support typing.Annotated for adding parameter descriptions in FunctionTools (#​17411)
• Guess image_mimetype for ImageNode (#​17422)

v0.12.9

Compare Source

• clean up type hints in schema extractor (#​17394)
• Fix IndexError in LLM Reranking when handling malformed LLM responses (#​17353)

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