Development: Update nltk to 3.9.1 and langchain-community to 0.2.15 (… #1813

Job	Run time
find_images_to_build	3s
build_image (modules/modeling/module_modeling_llm)	1s
build_image (modules/programming/module_example)	1s
build_image (modules/programming/module_programming_apted)	38s
build_image (modules/programming/module_programming_llm)	1s
build_image (modules/programming/module_programming_themisml)	23s
build_image (modules/programming/module_programming_winnowing)	1s
build_image (modules/text/module_text_cofee)	1s
build_image (modules/text/module_text_llm)	1s
build_image (assessment_module_manager)	37s
build_image (llm_core)	37s
build_image (log_viewer)	37s
build_image (playground)	1s
	3m 2s

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