fix: git-chlg docker image is broken

git-chglog/git-chglog#225

Author: rubenfonseca

Makefile

@@ -102,7 +102,7 @@ changelog:
 	git fetch --tags origin
 	CURRENT_VERSION=$(shell git describe --abbrev=0 --tag) ;\
 	echo "[+] Pre-generating CHANGELOG for tag: $$CURRENT_VERSION" ;\
-	docker run -v "${PWD}":/workdir quay.io/git-chglog/git-chglog > CHANGELOG.md
+	docker run -v "${PWD}":/workdir quay.io/git-chglog/git-chglog:0.15.1 > CHANGELOG.md
 
 mypy:
 	poetry run mypy --pretty aws_lambda_powertools examples