Consider digits in "make help" command

Makefile

@@ -36,7 +36,7 @@ clean: ## Clean the project from built files
 	rm -f shipping_service 
 	rm -f shipping_service.exe
 help: ## Print this help
-	@grep -E '^[a-zA-Z_-]+:.*## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
+	@grep -E '^[a-zA-Z0-9_-]+:.*## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
 
 ## Local testing
 
@@ -74,4 +74,4 @@ hurl: ## Run hurl API testing on localhost installation
 	test \
 	test-with-coverage \
 	tools \
-	up \
+	up \