OCM-8602 | ci: Use Terraform workspaces

[radtriste]

What this PR does / why we need it:

Which issue(s) this PR fixes
https://issues.redhat.com/browse/OCM-8602

Change type

• New feature
• Bug fix
• Build
• CI
• Documentation
• Performance
• Refactor
• Style
• Unit tests
• Subsystem tests

Checklist

• Subject and description added to both, commit and PR.
• Relevant issues have been referenced.

[openshift-ci]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[radtriste]

/hold

[openshift-ci]

@radtriste: 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/rosa-hcp-private-critical-high-presubmit	1a18358	link	true	/test rosa-hcp-private-critical-high-presubmit
ci/prow/rosa-sts-advanced-critical-high-presubmit	1a18358	link	true	/test rosa-sts-advanced-critical-high-presubmit
ci/prow/rosa-hcp-advanced-critical-high-presubmit	1a18358	link	true	/test rosa-hcp-advanced-critical-high-presubmit
ci/prow/rosa-sts-private-critical-high-presubmit	1a18358	link	true	/test rosa-sts-private-critical-high-presubmit

Full PR test history. Your PR dashboard.

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[openshift-merge-robot]

PR needs rebase.

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