chore: update olm deployer

[razvan]

Description

Tested with OLM manifests from stackabletech/openshift-certified-operators#21
Those manifests use this PR's operator image.

🟢 Tests on OpenShift 4.17

$ ./scripts/run-tests --test-suite openshift --skip-delete --skip-release
...
--- PASS: kuttl (147.04s)
    --- PASS: kuttl/harness (0.00s)
        --- PASS: kuttl/harness/custom-lbclass_openshift-true_loadbalancer-allocatenodeports-false (1.21s)
        --- PASS: kuttl/harness/smoke-nodeport_openshift-true_addressType-Hostname (11.79s)
        --- PASS: kuttl/harness/smoke-nodeport_openshift-true_addressType-IP (134.93s)
        --- PASS: kuttl/harness/custom-lbclass_openshift-true_loadbalancer-allocatenodeports-true (1.21s)
        --- PASS: kuttl/harness/smoke-nodeport_openshift-true_addressType-HostnameConservative (134.90s)
PASS

Definition of Done Checklist

• Not all of these items are applicable to all PRs, the author should update this template to only leave the boxes in that are relevant
• Please make sure all these things are done and tick the boxes

Author

• Changes are OpenShift compatible
• CRD changes approved
• CRD documentation for all fields, following the style guide.
• Helm chart can be installed and deployed operator works
• Integration tests passed (for non trivial changes)
• Changes need to be "offline" compatible
• Links to generated (nightly) docs added
• Release note snippet added

Reviewer

• Code contains useful comments
• Code contains useful logging statements
• (Integration-)Test cases added
• Documentation added or updated. Follows the style guide.
• Changelog updated
• Cargo.toml only contains references to git tags (not specific commits or branches)

Acceptance

• Feature Tracker has been updated
• Proper release label has been added
• Links to generated (nightly) docs added
• Release note snippet added
• Add type/deprecation label & add to the deprecation schedule
• Add type/experimental label & add to the experimental features tracker

[adwk67]

LGTM

[razvan]

thanks!