ci: set aks preview to 14.0.0b3 (#3607)

Author: QxBytes

hack/aks/Makefile

@@ -45,8 +45,10 @@ azlogin: ## Login and set account to $SUB
 @$(AZCLI) account set -s $(SUB)
 
 azcfg: ## Set the $AZCLI to use aks-preview
-@$(AZCLI) extension add --name aks-preview --yes
-@$(AZCLI) extension update --name aks-preview
+##	Remove the extension if it exists so we can install the set version
+@$(AZCLI) extension remove --name aks-preview || true
+@$(AZCLI) extension add --name aks-preview --version 14.0.0b3 --yes
+##	@$(AZCLI) extension update --name aks-preview
 
 ip:
 $(AZCLI) network public-ip create --name $(IP_PREFIX)-$(CLUSTER)-$(IPVERSION) \