Typo 2.5 pro Gemini in docs

[AsimPoptani]

Typo in documentation regarding 2.5 pro Gemini

Why:

Closes: #37534

What's being changed (if available, include any code snippets, screenshots, or gifs):

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[Copilot]

Copilot reviewed 1 out of 1 changed files in this pull request and generated no comments.

Comments suppressed due to low confidence (1)

content/copilot/using-github-copilot/ai-models/choosing-the-right-ai-model-for-your-task.md:334

• The typo in the data variable reference has been corrected. Ensure that this change aligns with the intended documentation for the Gemini AI model.

| Task                      | Description                                                       | Why {% data variables.copilot.copilot_gemini_25_pro %} is a good fit |

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Source	Review	Production	What Changed
copilot/using-github-copilot/ai-models/choosing-the-right-ai-model-for-your-task.md	fpt ghec	fpt ghec

Key: fpt: Free, Pro, Team; ghec: GitHub Enterprise Cloud; ghes: GitHub Enterprise Server

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[AsimPoptani]

Closing as seen https://github.com/github/docs/pull/37531/files