chore: pin versions nyc version for testing on old versions of node <= 9

PR: #318 
REF: #317 and https://github.com/jshttp/http-errors#109

.github/workflows/ci.yml

@@ -47,56 +47,47 @@ jobs:
 
         - name: Node.js 0.10
           node-version: "0.10"
-          npm-i: mocha@3.5.3
-          npm-rm: nyc
+          npm-i: mocha@3.5.3 nyc@10.3.2
 
         - name: Node.js 0.12
           node-version: "0.12"
-          npm-i: mocha@3.5.3
-          npm-rm: nyc
+          npm-i: mocha@3.5.3 nyc@10.3.2
 
         - name: io.js 1.x
           node-version: "1.8"
-          npm-i: mocha@3.5.3
-          npm-rm: nyc
+          npm-i: mocha@3.5.3 nyc@10.3.2
 
         - name: io.js 2.x
           node-version: "2.5"
-          npm-i: mocha@3.5.3
-          npm-rm: nyc
+          npm-i: mocha@3.5.3 nyc@10.3.2
 
         - name: io.js 3.x
           node-version: "3.3"
-          npm-i: mocha@3.5.3
-          npm-rm: nyc
+          npm-i: mocha@3.5.3 nyc@10.3.2
 
         - name: Node.js 4.x
           node-version: "4.9"
-          npm-i: mocha@5.2.0
-          npm-rm: nyc
+          npm-i: mocha@5.2.0 nyc@11.9.0
 
         - name: Node.js 5.x
           node-version: "5.12"
-          npm-i: mocha@5.2.0
-          npm-rm: nyc
+          npm-i: mocha@5.2.0 nyc@11.9.0
 
         - name: Node.js 6.x
           node-version: "6.17"
-          npm-i: mocha@6.2.2
-          npm-rm: nyc
+          npm-i: mocha@6.2.2 nyc@14.1.1
 
         - name: Node.js 7.x
           node-version: "7.10"
-          npm-i: mocha@6.2.2
-          npm-rm: nyc
+          npm-i: mocha@6.2.2 nyc@14.1.1
 
         - name: Node.js 8.x
           node-version: "8.17"
-          npm-i: mocha@7.2.0
+          npm-i: mocha@7.2.0 nyc@14.1.1
 
         - name: Node.js 9.x
           node-version: "9.11"
-          npm-i: mocha@7.2.0
+          npm-i: mocha@7.2.0 nyc@14.1.1
 
         - name: Node.js 10.x
           node-version: "10.24"