renaming ground_truths to ground_truth.

[alexjyong]

User description

Noticed that there were still references to ground_truths in the code and documentation (barring the validation function of course) after we updated this to ground_truth. This PR cleans that part up.

Also updated the raise_exceptions error message to read raise_exceptions=False instead of raise_exception=False

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Description

• Renamed all instances of ground_truths to ground_truth across various Python and Markdown files, including documentation and Jupyter Notebooks.
• This change aligns the codebase with the updated variable naming convention.

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Changes walkthrough

	Relevant files
Enhancement	2 files evaluation.py Update Dataset Type Annotation                                                                  src/ragas/evaluation.py Updated the Dataset type annotation to use ground_truth instead of ground_truths. +2/-2      base.py Update Comment to Match Variable Name                                                    src/ragas/metrics/base.py Changed the comment to reflect the updated variable name ground_truth. +1/-1
Documentation	15 files README.md Correct Dataset Features in README Example                                          README.md Corrected the dataset features in the example to use ground_truth. +1/-1      answer_correctness.md Update Dataset Features in Documentation                                              docs/concepts/metrics/answer_correctness.md Updated dataset features in the documentation example to ground_truth. +1/-1      context_recall.md Modify Dataset Features in Context Recall Documentation                docs/concepts/metrics/context_recall.md Modified dataset features in the documentation to use ground_truth. +1/-1      semantic_similarity.md Adjust Dataset Features in Semantic Similarity Documentation      docs/concepts/metrics/semantic_similarity.md Adjusted dataset features in the documentation to ground_truth. +1/-1      compare_llms.md Change Variable Name in Compare LLMS Example                                      docs/howtos/applications/compare_llms.md Changed ground_truths to ground_truth in the example code snippet. +2/-2      custom_prompts.md Update Dataset Features in Custom Prompts Example                            docs/howtos/applications/custom_prompts.md Updated dataset features in the example code to ground_truth. +2/-2      data_preparation.md Correct Dataset Features in Data Preparation Example                      docs/howtos/applications/data_preparation.md Corrected dataset features in the example code to ground_truth. +1/-1      use_prompt_adaptation.md Update Dataset Features in Prompt Adaptation Example                      docs/howtos/applications/use_prompt_adaptation.md Updated dataset features in the example code to ground_truth. +2/-2      aws-bedrock.ipynb Change Dataset Features in AWS Bedrock Notebook                                docs/howtos/customisations/aws-bedrock.ipynb Changed dataset features to ground_truth in the Jupyter Notebook example. +3/-3      azure-openai.ipynb Update Dataset Features in Azure OpenAI Notebook                              docs/howtos/customisations/azure-openai.ipynb Updated dataset features to ground_truth in the Azure OpenAI Notebook example. +3/-3      gcp-vertexai.ipynb Correct Dataset Features in GCP VertexAI Notebook                            docs/howtos/customisations/gcp-vertexai.ipynb Corrected dataset features to ground_truth in the GCP VertexAI Notebook example. +3/-3      langchain.ipynb Change Dataset Features in Langchain Notebook                                    docs/howtos/integrations/langchain.ipynb Changed dataset features to ground_truth in the Langchain Notebook example. +2/-2      langfuse.ipynb Update Dataset Features in Langfuse Notebook                                      docs/howtos/integrations/langfuse.ipynb Updated dataset features to ground_truth in the Langfuse Notebook example. +2/-2      llamaindex.ipynb Correct Dataset Features in LlamaIndex Notebook                                docs/howtos/integrations/llamaindex.ipynb Corrected dataset features to ground_truth in the LlamaIndex Notebook example. +2/-2      zeno.ipynb Update Dataset Features in Zeno Notebook                                              docs/howtos/integrations/zeno.ipynb Updated dataset features to ground_truth in the Zeno Notebook example. +3/-3

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PR Description updated to latest commit (c4538b2)

[jjmachan]

wow, thank you sooo much for this - really ❤️
you're a gem @alexjyong and most welcome to the contributor list 🍻

[globavi]

hi together, hi @jjmachan, @alexjyong
i updated my code using ground_truth instead of ground_truths but no get an error in validation. Isn't it still a list of strings? dbdf54b#diff-04f7f4b287461dad91bc777c6897385a32d3c0447119a6d5eb209369e8c8e308 (so refering to line 23 and 26)