Increase gitlab ci timeout for CCC

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Problem/Motivation

Getting timeouts like this:

https://git.drupalcode.org/project/ai_context/-/jobs/9180630

The script exceeded the maximum execution time set for the job

Proposed resolution

Increase the timeout

Target date or deadline

March 2026

Remaining tasks

Update .gitlab-ci.yml

AI usage (if applicable)

[ ] AI Assisted Issue
This issue was generated with AI assistance, but was reviewed and refined by the creator.

[x] AI Assisted Code
This code was mainly generated by a human, with AI autocompleting or parts AI generated, but under full human supervision.

[ ] AI Generated Code
This code was mainly generated by an AI with human guidance, and reviewed, tested, and refined by a human.

[ ] Vibe Coded
This code was generated by an AI and has only been functionally tested.