Update dependency architect to v5.11.1, bump controller-gen (#210)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Andreas Sommer <[email protected]>

Author: renovate[bot]

.circleci/config.yml

@@ -1,6 +1,6 @@
 version: 2.1
 orbs:
-  architect: giantswarm/architect@5.5.1
+  architect: giantswarm/architect@5.11.1
 
 jobs:
   unit-tests:

Makefile.custom.mk

@@ -122,7 +122,7 @@ coverage-html: test-unit
 CONTROLLER_GEN = $(shell pwd)/bin/controller-gen
 .PHONY: controller-gen
 controller-gen: ## Download controller-gen locally if necessary.
-	$(call go-get-tool,$(CONTROLLER_GEN),sigs.k8s.io/controller-tools/cmd/controller-gen@v0.10.0)
+	$(call go-get-tool,$(CONTROLLER_GEN),sigs.k8s.io/controller-tools/cmd/controller-gen@v0.16.5)
 
 ENVTEST = $(shell pwd)/bin/setup-envtest
 .PHONY: envtest