Can't pull images from the image registry.

Issue

• Can't pull the images from the image registry.
• Openshift-pipelines failed to pull images from internal image-registry.
• Fail to pull image in openshift-pipelines
• Image pull fails with x509: certificate signed by unknown authority

W0923 08:14  26831 dockerimagelookup.go:236] container image registry lookup failed: hostname.example.com/namespace/image-name:tag: registry.example.com/v2/ x509: certificate signed by unknown authority.