fix: Downgrade k8s-openapi to 0.26.0 to prevent CRD schema bug #68

Job	Run time
Detect relevant changed files	7s
Run cargo-udeps	2m 8s
Build/Publish amd64 Image	6m 22s
Build/Publish arm64 Image	5m 19s
Publish/Sign 0.0.0-pr730 Index	27s
Package/Publish 0.0.0-pr730 Helm Chart	29s
Run OpenShift Preflight Check for 0.0.0-pr730-amd64	17s
Run OpenShift Preflight Check for 0.0.0-pr730-arm64	21s
Failure Notification	0s
Finished Build and Publish	3s
	15m 33s

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