chore: add retry loop to get versions

[svor]

What does this PR do?

Add retry loop for getting versions since the internet is unreliable.

Screenshot/screencast of this PR

What issues does this PR fix or reference?

Fixes problem like https://github.com/eclipse-che/che-plugin-registry/actions/runs/6169274637/job/16743208406#step:7:2335

How to test this PR?

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
• 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.

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[openshift-ci]

@svor: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/v10-images	8f486db	link	true	/test v10-images
ci/prow/v10-plugins-test-pr-check	8f486db	link	true	/test v10-plugins-test-pr-check

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