[SQUASH] Explicit poetry

Makefile

@@ -33,7 +33,7 @@ endef
 define install_poetry
 	if ! command -v poetry &> /dev/null; then \
     	pip install --upgrade pip; \
-		pip install poetry; \
+		pip install 'poetry>=1.0.0,<2.0.0'; \
 	else \
     	echo "Poetry is already installed."; \
 	fi