Merge pull request #755 from GoogleCloudPlatform/CatherineF-dev-patch-1

Update Makefile to use v0.12.1

Author: CatherineF-dev

prometheus-to-sd/Makefile

@@ -18,7 +18,7 @@ ENVVAR = GOOS=linux GOARCH=amd64 CGO_ENABLED=0
 IMAGE_NAME=prometheus-to-sd
 ALL_ARCH=amd64 arm64
 PREFIX ?= staging-k8s.gcr.io
-TAG ?= v0.11.11
+TAG ?= v0.12.1
 
 IMAGE=$(PREFIX)/$(IMAGE_NAME)