chore: refactor devcontainer workflow

[gbraad]

Small change to use container directive instead of running podman directly.

[openshift-ci]

Skipping CI for Draft Pull Request.
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You can still manually trigger a test run with /test all

[openshift-ci]

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[openshift-ci]

@gbraad: 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/integration-crc	aeed77a	link	true	/test integration-crc
ci/prow/e2e-crc	aeed77a	link	true	/test e2e-crc

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