feat(kuma-cp) new GUI build for 0.5.0 (#741)

Makefile

@@ -192,25 +192,25 @@ protoc/plugins:
 
 # Notice that this command is not include into `make generate` by intention (since generated code differes between dev host and ci server)
 generate/kumactl/install/k8s/control-plane:
-	go generate ./app/kumactl/pkg/install/k8s/control-plane/...
+	GOFLAGS='${GOFLAGS}' go generate ./app/kumactl/pkg/install/k8s/control-plane/...
 
 # Notice that this command is not include into `make generate` by intention (since generated code differes between dev host and ci server)
 generate/kumactl/install/k8s/kuma-cni:
-	go generate ./app/kumactl/pkg/install/k8s/kuma-cni/...
+	GOFLAGS='${GOFLAGS}' go generate ./app/kumactl/pkg/install/k8s/kuma-cni/...
 
 # Notice that this command is not include into `make generate` by intention (since generated code differes between dev host and ci server)
 generate/kumactl/install/k8s/metrics:
-	go generate ./app/kumactl/pkg/install/k8s/metrics/...
+	GOFLAGS='${GOFLAGS}' go generate ./app/kumactl/pkg/install/k8s/metrics/...
 
 # Notice that this command is not include into `make generate` by intention (since generated code differes between dev host and ci server)
 generate/kumactl/install/k8s/tracing:
-	go generate ./app/kumactl/pkg/install/k8s/tracing/...
+	GOFLAGS='${GOFLAGS}' go generate ./app/kumactl/pkg/install/k8s/tracing/...
 
 generate/kuma-cp/migrations:
-	go generate ./pkg/plugins/resources/postgres/migrations/...
+	GOFLAGS='${GOFLAGS}' go generate ./pkg/plugins/resources/postgres/migrations/...
 
-generate/gui: ## Generate go files with GUI static files to embed it into binary
-	go generate ./app/kuma-ui/pkg/resources/...
+generate/gui: ## Generate gGOFLAGSo files with GUI static files to embed it into binary
+	GOFLAGS='${GOFLAGS}' go generate ./app/kuma-ui/pkg/resources/...
 
 fmt: fmt/go fmt/proto ## Dev: Run various format tools