stable version was not updating when generate release (ZupIT#595)

* change regex

Signed-off-by: victor-schumacher <victor.schumacher@zup.com.br>
Signed-off-by: Bruno N. Melo <brunonobrega.melo@gmail.com>

Makefile

@@ -18,7 +18,7 @@ MODULE=$(shell go list -m)
 DATE=$(shell date +%D_%H:%M)
 BUCKET=$(shell VERSION=$(VERSION) ./.circleci/scripts/bucket.sh)
 RITCHIE_ENV=$(shell VERSION=$(VERSION) ./.circleci/scripts/ritchie_env.sh)
-IS_RELEASE=$(shell echo $(VERSION) | egrep "^([0-9]{1,}\.)+[0-9]{1,}$")
+IS_RELEASE=$(shell echo ${VERSION} | egrep "^([0-9]{1,}\.)+[0-9]{1,}$")
 IS_BETA=$(shell echo $(VERSION) | egrep "*.pre.*")
 IS_QA=$(shell echo $(VERSION) | egrep "*qa.*")
 IS_NIGHTLY=$(shell echo $(VERSION) | egrep "*.nightly.*")