Use yarn instead of npx to use pinned openapi-typescrip

Author: mvdbeek

Makefile

@@ -203,8 +203,8 @@ remove-api-schema:
 	rm _shed_schema.yaml
 
 update-client-api-schema: client-node-deps build-api-schema ## Update client API schema
-	$(IN_VENV) cd client && npx openapi-typescript ../_schema.yaml > src/api/schema/schema.ts && npx prettier --write src/api/schema/schema.ts
-	$(IN_VENV) cd client && npx openapi-typescript ../_shed_schema.yaml > ../lib/tool_shed/webapp/frontend/src/schema/schema.ts && npx prettier --write ../lib/tool_shed/webapp/frontend/src/schema/schema.ts
+	$(IN_VENV) cd client && yarn openapi-typescript ../_schema.yaml -o src/api/schema/schema.ts && yarn prettier --write src/api/schema/schema.ts
+	$(IN_VENV) cd client && yarn openapi-typescript ../_shed_schema.yaml -o ../lib/tool_shed/webapp/frontend/src/schema/schema.ts && yarn prettier --write ../lib/tool_shed/webapp/frontend/src/schema/schema.ts
 	$(MAKE) remove-api-schema
 
 lint-api-schema: build-api-schema