Create batch files with a maximum of 500 files in batch

[jirispilka]

• Create batch files with a maximum of 500 files in batch for vector store upload.
• Update the README.md file with the Apify's badge.
• Update dependencies to the latest version

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• .actor/actor.json: Language not supported
• .actor/input_schema.json: Language not supported
• Makefile: Language not supported
• CHANGELOG.md: Evaluated as low risk
• README.md: Evaluated as low risk
• pyproject.toml: Evaluated as low risk

Comments skipped due to low confidence (1)

src/main.py:53

• [nitpick] The function name _batch is too generic. It should be renamed to batch_files for better clarity.

def _batch(iterable: list, n: int = OPENAI_FILE_BATCHES_MAX_SIZE) -> Generator:

Copilot reviewed 9 out of 17 changed files in this pull request and generated no suggestions.

Files not reviewed (8)

• .actor/actor.json: Language not supported
• .actor/input_schema.json: Language not supported
• Makefile: Language not supported
• CHANGELOG.md: Evaluated as low risk
• README.md: Evaluated as low risk
• pyproject.toml: Evaluated as low risk
• src/main.py: Evaluated as low risk
• src/constants.py: Evaluated as low risk