👷 update CI deps for node 4

Author: ctcpip

.github/workflows/ci.yml

@@ -76,7 +76,7 @@ jobs:
 
         - name: Node.js 4.x
           node-version: "4.9"
-          npm-i: mocha@5.2.0 nyc@11.9.0 supertest@3.4.2
+          npm-i: mocha@3.5.3 nyc@10.3.2 supertest@2.0.1
 
         - name: Node.js 5.x
           node-version: "5.12"