docs: Fix typo in chatbot tutorial · langchain-ai/langchainjs@522f968

The following actions use a deprecated Node.js version and will be forced to run on node20: actions/setup-node@v3. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

Check linting: libs/create-langchain-integration/helpers/templates.ts#L10

Unexpected any. Specify a different type

Check linting: libs/create-langchain-integration/helpers/templates.ts#L28

Unexpected any. Specify a different type

Check linting: libs/langchain-standard-tests/src/base.ts#L7

Unexpected any. Specify a different type

Check linting: libs/langchain-standard-tests/src/unit_tests/chat_models.ts#L108

Unexpected any. Specify a different type

Check linting: libs/langchain-standard-tests/src/unit_tests/chat_models.ts#L115

Unexpected any. Specify a different type

Check linting: libs/langchain-standard-tests/src/unit_tests/chat_models.ts#L132

Unexpected any. Specify a different type

Check linting: libs/langchain-standard-tests/src/unit_tests/chat_models.ts#L139

Unexpected any. Specify a different type

Check linting: libs/langchain-standard-tests/src/unit_tests/chat_models.ts#L146

Unexpected any. Specify a different type

Check linting: libs/langchain-standard-tests/src/unit_tests/chat_models.ts#L153

Unexpected any. Specify a different type

Check linting: libs/langchain-standard-tests/src/unit_tests/chat_models.ts#L160

Unexpected any. Specify a different type

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