dbt.include import issue for ci (dbt-labs#7383)

* separating the installation of the two requirements files

Author: mikealfare

Makefile

@@ -30,7 +30,8 @@ CI_FLAGS =\
 .PHONY: dev_req
 dev_req: ## Installs dbt-* packages in develop mode along with only development dependencies.
 	@\
-	pip install -r dev-requirements.txt -r editable-requirements.txt
+	pip install -r dev-requirements.txt
+	pip install -r editable-requirements.txt
 
 .PHONY: dev
 dev: dev_req ## Installs dbt-* packages in develop mode along with development dependencies and pre-commit.