fix(ci): Update latest release version to 1.5.1
VERSIONFILE := pkg/util/defaults/defaults.go
VERSION ?= 1.6.0-SNAPSHOT
OPERATOR_VERSION := $(subst -SNAPSHOT,,$(VERSION))
-LAST_RELEASED_VERSION := 1.5.0
+LAST_RELEASED_VERSION := 1.5.1
RUNTIME_VERSION := 1.9.0-SNAPSHOT
BUILDAH_VERSION := 1.14.0
KANIKO_VERSION := 0.17.1
