validate Nodeinfo response by schema (#2390)

* rm stable: 'false' from actions/setup-go@v3

* adapt tests from #2369

* set undefined as defaultStreamKey

pass adminpass to sendConfigChangeRequest()

* mv getAdminConfig to api/lib/config.js

* npm install --quiet for automated tests

* refactor tests

separate default values from new ones

* test adminpass change

fix defaultStreamKeys test

* fix defaultStreamKeys

* use getAdminStatus

* mv test/automated/lib/config.js to admin.js

* check default hideViewerCount

cleanup

* test more default options in api

erverName
SServerSummary
yp.instanceUrl
FederationConfig.username

* more testing of default config params

* update reference values for api test

test/automated/api/package.json

@@ -10,7 +10,11 @@
   "license": "ISC",
   "dependencies": {
     "supertest": "^6.0.1",
-    "websocket": "^1.0.32"
+    "websocket": "^1.0.32",
+    "ajv": "^8.11.0",
+    "ajv-draft-04" : "^1.0.0",
+    "jsonfile": "^6.1.0",
+    "crypto-random": "^2.0.1"
   },
   "devDependencies": {
     "jest": "^26.6.3"