fix: use canonical image url & remove CPU limits

Makefile

@@ -1,7 +1,7 @@
 
 TAG ?= main
 # Image URL to use all building/pushing image targets
-IMG ?= loftsh/cluster-api-provider-vcluster:$(TAG)
+IMG ?= docker.io/loftsh/cluster-api-provider-vcluster:$(TAG)
 # ENVTEST_K8S_VERSION refers to the version of kubebuilder assets to be downloaded by envtest binary.
 ENVTEST_K8S_VERSION = 1.23
 
@@ -140,6 +140,6 @@ release: manifests kustomize ## Builds the manifests to publish with a release.
 	cp templates/cluster-template* $(RELEASE_DIR)/
 	cp metadata.yaml $(RELEASE_DIR)/metadata.yaml
 # revert the values back to development ones 
-	sed -i'' -e 's@image: .*@image: loftsh/cluster-api-provider-vcluster:main@' ./config/default/manager_image_patch.yaml
+	sed -i'' -e 's@image: .*@image: docker.io/loftsh/cluster-api-provider-vcluster:main@' ./config/default/manager_image_patch.yaml
 	sed -i'' -e 's@imagePullPolicy: '"$(PULL_POLICY)"'@imagePullPolicy: IfNotPresent@' ./config/default/manager_pull_policy_patch.yaml
 	sed -i'' -e 's@name: $${CLUSTER_ROLE:=cluster-admin}@name: cluster-admin@' ./config/rbac/provider_role_binding.yaml

config/manager/manager.yaml

@@ -29,7 +29,7 @@ spec:
         - /manager
         args:
         - --leader-elect
-        image: loftsh/cluster-api-provider-vcluster
+        image: docker.io/loftsh/cluster-api-provider-vcluster
         imagePullPolicy: IfNotPresent
         name: manager
         securityContext:
@@ -53,7 +53,6 @@ spec:
         # More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/
         resources:
           limits:
-            cpu: 500m
             memory: 1Gi
           requests:
             cpu: 10m