Increase Che deployment timeout in PR check

[dmytro-ndp]

What does this PR do?

It fixes Empty Workspace test suite on minikube / pr-check (thanks @tolusha for the investigation).

Screenshot/screencast of this PR

What issues does this PR fix or reference?

https://github.com/eclipse-che/che/issues/23205

How to test this PR?

Make sure Empty Workspace test suite on minikube / pr-check has passed.

PR Checklist

As the author of this Pull Request I made sure that:

• [ ] The Eclipse Contributor Agreement is valid
• [ ] Code produced is complete
• [ ] Code builds without errors
• [ ] Tests are covering the bugfix or new feature
• [ ] The repository devfile is up to date and works
• [ ] Sections What issues does this PR fix or reference and How to test this PR completed
• [ ] Relevant user documentation updated
• [ ] Relevant contributing documentation updated
• [ ] CI/CD changes implemented, documented and communicated

Reviewers

Reviewers, please comment how you tested the PR when approving it.

[dmytro-ndp]

Empty Workspace test suite on minikube / pr-check has passed: https://github.com/eclipse-che/che/actions/runs/11481860858/job/31953542683?pr=23207