agent: fix container ci

Author: ayuskauskas

agent/Makefile

@@ -66,7 +66,7 @@ docker-setup:
 	docker buildx create --platform linux/amd64,linux/arm64 --use builder
 	docker run --privileged --rm tonistiigi/binfmt --install amd64,arm64
 
-ACTUAL_TAGS=-t $(REGISTRY)/$(AGENT_IMAGE):$(shell date +%y.%m.%d-%H%M%S)-$(COMMIT_SHORT_SHA) $(TAGS)
+ACTUAL_TAGS=$(shell echo "-t $(REGISTRY)/$(AGENT_IMAGE):$(shell date +%y.%m.%d-%H%M%S)-$(COMMIT_SHORT_SHA) $(TAGS)" | tr A-Z a-z)
 .PHONY: docker-build-only
 docker-build-only:
 	@echo "Building skyhook-agent docker image with tags: $(ACTUAL_TAGS)"