Add a higher timeout (backport #3335)

[mergify]

Changelist

Add a higher timeout

Test Plan

[Describe how this PR was tested (if applicable)]

Author/Reviewer Checklist

• If this PR has changes that result in a different app state given the same prior state and transaction list, manually add the state-breaking label.
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• Manually add any of the following labels: refactor, chore, bug.

Summary by CodeRabbit

• Bug Fixes
  • Extended timeout duration for message generation operations from 60 to 300 seconds, providing more time for processing to complete before timing out.

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This is an automatic backport of pull request #3335 done by [Mergify](https://mergify.com).