Correct typo in inference-api.md

[Samy-Amar]

Summary

Fixing a small typo 😄

Generative AI disclosure

1. Did you use a generative AI (GenAI) tool to assist in creating this contribution?

• Yes
• No

[github-actions]

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[github-actions]

🔍 Preview links for changed docs

• explore-analyze/elastic-inference/inference-api.md

[Samy-Amar]

Vale Linting Results

Summary: 1 warning found
⚠️ Warnings (1)

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Not related to my change but I can also modify the sentence here.

The part in question is:

are identified by following a series of rules, not just the presence of a whitespace character.

I can replace by

are identified by following a series of rules, as well as the presence of a whitespace character.

[leemthompo]

thanks for patching the docs! :)