Bump promtool version in Makefile
Fixes:
@@ -19,7 +19,7 @@ DOCKER_ARCHS ?= amd64 armv7 arm64 ppc64le s390x
include Makefile.common
-PROMTOOL_VERSION ?= 2.18.1
+PROMTOOL_VERSION ?= 2.30.0
PROMTOOL_URL ?= https://github.com/prometheus/prometheus/releases/download/v$(PROMTOOL_VERSION)/prometheus-$(PROMTOOL_VERSION).$(GO_BUILD_PLATFORM).tar.gz
PROMTOOL ?= $(FIRST_GOPATH)/bin/promtool
