Update e2e test dockerfile to use rhel-9-release-golang-1.24-openshif…

[dkwon17]

…t-4.20 image

What does this PR do?

Changes the base image of the e2e test dockerfile, since the registry.ci.openshift.org/openshift/release:golang-1.24 image doesn't seem to exist yet.

$ podman pull registry.ci.openshift.org/openshift/release:golang-1.24
Trying to pull registry.ci.openshift.org/openshift/release:golang-1.24...
Error: initializing source docker://registry.ci.openshift.org/openshift/release:golang-1.24: reading manifest golang-1.24 in registry.ci.openshift.org/openshift/release: manifest unknown

What issues does this PR fix or reference?

This is needed for the e2e tests to pass for this PR: #1463

Is it tested? How?

PR Checklist

• E2E tests pass (when PR is ready, comment /test v8-devworkspace-operator-e2e, v8-che-happy-path to trigger)
  • v8-devworkspace-operator-e2e: DevWorkspace e2e test
  • v8-che-happy-path: Happy path for verification integration with Che

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dkwon17

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