Set makefile variables

- Set default channels. We use the legacy "alpha" channel, can migrate
to "candidate" and "stable" channels.
- regenerate rbac

Makefile

@@ -3,13 +3,14 @@
 # To re-generate a bundle for another specific version without changing the standard setup, you can:
 # - use the VERSION as arg of the bundle target (e.g make bundle VERSION=0.0.2)
 # - use environment variables to overwrite this value (e.g export VERSION=0.0.2)
-VERSION ?= 0.0.1
+VERSION ?= 0.14.0-rc0
 
 # CHANNELS define the bundle channels used in the bundle.
 # Add a new line here if you would like to change its default config. (E.g CHANNELS = "candidate,fast,stable")
 # To re-generate a bundle for other specific channels without changing the standard setup, you can:
 # - use the CHANNELS as arg of the bundle target (e.g make bundle CHANNELS=candidate,fast,stable)
 # - use environment variables to overwrite this value (e.g export CHANNELS="candidate,fast,stable")
+CHANNELS = "alpha,candidate,stable"
 ifneq ($(origin CHANNELS), undefined)
 BUNDLE_CHANNELS := --channels=$(CHANNELS)
 endif
@@ -19,6 +20,7 @@ endif
 # To re-generate a bundle for any other default channel without changing the default setup, you can:
 # - use the DEFAULT_CHANNEL as arg of the bundle target (e.g make bundle DEFAULT_CHANNEL=stable)
 # - use environment variables to overwrite this value (e.g export DEFAULT_CHANNEL="stable")
+DEFAULT_CHANNEL=stable
 ifneq ($(origin DEFAULT_CHANNEL), undefined)
 BUNDLE_DEFAULT_CHANNEL := --default-channel=$(DEFAULT_CHANNEL)
 endif
@@ -29,7 +31,7 @@ BUNDLE_METADATA_OPTS ?= $(BUNDLE_CHANNELS) $(BUNDLE_DEFAULT_CHANNEL)
 #
 # For example, running 'make bundle-build bundle-push catalog-build catalog-push' will build and push both
 # shipwright.io/shipwright-operator-bundle:$VERSION and shipwright.io/shipwright-operator-catalog:$VERSION.
-IMAGE_TAG_BASE ?= shipwright.io/shipwright-operator
+IMAGE_TAG_BASE ?= ghcr.io/shipwright-io/operator/operator
 
 # BUNDLE_IMG defines the image:tag used for the bundle.
 # You can use it as an arg. (E.g make bundle-build BUNDLE_IMG=<some-registry>/<project-name-bundle>:<tag>)
@@ -51,7 +53,7 @@ endif
 OPERATOR_SDK_VERSION ?= v1.35.0
 
 # Image URL to use all building/pushing image targets
-IMG ?= controller:latest
+IMG ?= $(IMAGE_TAG_BASE):v$(VERSION)
 # ENVTEST_K8S_VERSION refers to the version of kubebuilder assets to be downloaded by envtest binary.
 ENVTEST_K8S_VERSION = 1.28.3