Modernize to hubot 14 (ESM)

- ESM ("type": "module"); hubot 14.1.0
- deps: hubot-xmpp (kosmos/hubot-xmpp@master), hubot-help ^2.1.5, hubot-rules
  ^2.1.1, hubot-redis-brain 3.0.1, hubot-incoming-webhook ^2.0.0,
  @kredits/hubot-kredits (git master)
- drop hubot-irc, coffee-script, request, hubot-auth, hubot-scripts,
  hubot-shipit, hubot-tell, hubot-seen, hubot-schedule, cheerio, node-fetch
- external-scripts.json: hubot-help, hubot-redis-brain, hubot-rules,
  hubot-incoming-webhook, @kredits/hubot-kredits
- scripts/health.js -> ESM; run.sh -> -a hubot-xmpp
- drop stale .jshintrc

package.json

@@ -2,6 +2,7 @@
   "name": "hal8000",
   "version": "3.1.0",
   "private": true,
+  "type": "module",
   "scripts": {
     "start": "./run.sh",
     "ngrok": "ngrok http -region=eu -hostname=hubot-dev.kosmos.org localhost:8888"
@@ -12,23 +13,12 @@
   ],
   "description": "Heuristically programmed ALgorithmic computer",
   "dependencies": {
-    "@kredits/hubot-kredits": "^4.1.0",
-    "cheerio": "0.22.0",
-    "coffee-script": "^1.9.2",
-    "hubot": "^3.3.2",
-    "hubot-auth": "^1.2.0",
-    "hubot-help": "^1.0.1",
-    "hubot-incoming-webhook": "^1.1.1",
-    "hubot-irc": "github:67P/hubot-irc#dev",
-    "hubot-redis-brain": "1.0.0",
-    "hubot-rules": "^1.0.0",
-    "hubot-schedule": "^0.7.0",
-    "hubot-scripts": "^2.5.16",
-    "hubot-seen": "github:67P/hubot-seen#fix_debug",
-    "hubot-shipit": "^0.2.0",
-    "hubot-tell": "^1.2.3",
-    "hubot-xmpp": "github:67P/hubot-xmpp#dev",
-    "node-fetch": "^2.6.7",
-    "request": "^2.88.2"
+    "@kredits/hubot-kredits": "git+https://gitea.kosmos.org/kredits/hubot-kredits.git#master",
+    "hubot": "14.1.0",
+    "hubot-help": "^2.1.5",
+    "hubot-incoming-webhook": "^2.0.0",
+    "hubot-redis-brain": "3.0.1",
+    "hubot-rules": "^2.1.1",
+    "hubot-xmpp": "git+https://gitea.kosmos.org/kosmos/hubot-xmpp.git#master"
   }
 }