Update CI to node 16, 20 (#56)

* Update CI to node 16, 20

* Update testing deps to support node 20

* Add chai types

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [10.x, 12.x, 14.x]
+        node-version: [16.x, 20.x]
         os: [ubuntu-latest, macos-latest, windows-latest]
 
     steps:

.tool-versions

@@ -0,0 +1 @@
+nodejs 20.17.0

package.json

@@ -7,7 +7,7 @@
     "url": "https://github.com/heroku/heroku-api-plugin/issues"
   },
   "engines": {
-    "node": ">= 10.0"
+    "node": ">= 16.0"
   },
   "dependencies": {
     "@heroku-cli/color": "^1.1.14",
@@ -22,20 +22,19 @@
     "http-call": "^5.3.0"
   },
   "devDependencies": {
-    "@fancy-test/nock": "^0.1.1",
-    "@oclif/test": "^1.0.9",
-    "@types/chai": "^4.1.3",
-    "@types/mocha": "^5.2.1",
-    "@types/nock": "^9.1.3",
-    "@types/node": "^14.4.0",
+    "@types/chai": "^4.3.14",
+    "@oclif/test": "^1.2.4",
+    "@types/mocha": "^10.0.6",
+    "@types/node": "16.11.7",
     "@types/supports-color": "^5.3.0",
+    "chai": "^4.4.1",
     "eslint": "^7.0.0",
     "eslint-config-oclif": "^3.1.0",
     "eslint-config-oclif-typescript": "^0.2.0",
     "eslint-plugin-oclif": "^0.1.0",
     "globby": "^8.0.1",
-    "mocha": "^5.2.0",
-    "nock": "^9.3.0",
+    "mocha": "^10.4.0",
+    "nock": "^13.5.1",
     "ts-node": "^9.0.0",
     "typescript": "3.8.3"
   },
@@ -48,6 +47,16 @@
     "heroku-plugin"
   ],
   "license": "ISC",
+  "mocha": {
+    "require": [
+      "ts-node/register",
+      "source-map-support/register"
+    ],
+    "watch-extensions": "ts",
+    "recursive": true,
+    "reporter": "spec",
+    "timeout": 360000
+  },
   "oclif": {
     "bin": "heroku",
     "commands": "./lib/commands"