fix ci on node 0.8

Author: carpasse

.github/workflows/ci.yml

@@ -39,7 +39,7 @@ jobs:
         include:
         - name: Node.js 0.8
           node-version: "0.8"
-          npm-i: [email protected] supertest@1.2.0
+          npm-i: [email protected] supertest@1.1.0
           npm-rm: nyc
 
         - name: Node.js 0.10