Update dependency GoogleContainerTools/skaffold to v2.16.0 (#562)

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

Author: renovate[bot]

hack/tools.mk

@@ -70,7 +70,7 @@ $(SETUP_ENVTEST): $(call tool_version_file,$(SETUP_ENVTEST),$(CONTROLLER_RUNTIME
 
 SKAFFOLD := $(TOOLS_BIN_DIR)/skaffold
 # renovate: datasource=github-releases depName=GoogleContainerTools/skaffold
-SKAFFOLD_VERSION ?= v2.15.0
+SKAFFOLD_VERSION ?= v2.16.0
 $(SKAFFOLD): $(call tool_version_file,$(SKAFFOLD),$(SKAFFOLD_VERSION))
 	curl -Lo $(SKAFFOLD) https://storage.googleapis.com/skaffold/releases/$(SKAFFOLD_VERSION)/skaffold-$(shell uname -s | tr '[:upper:]' '[:lower:]')-$(shell uname -m | sed 's/x86_64/amd64/')
 	chmod +x $(SKAFFOLD)