chore: update to node 18

Local development now uses node 18, and we test 14 through 18 in CI

.github/workflows/ci.yml

@@ -6,7 +6,7 @@ jobs:
     strategy:
       matrix:
         arango-image: ['arangodb:3.6', 'arangodb:3.7', 'arangodb:3.8', 'arangodb:3.9']
-        node-version: [14.x, 16.x]
+        node-version: [14.x, 16.x, 18.x]
     steps:
       - uses: actions/checkout@v2
       - name: Use Node.js ${{ matrix.node-version }}
@@ -38,7 +38,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
         with:
-          node-version: 16
+          node-version: 18
           registry-url: https://registry.npmjs.org/
       - run: npm ci
       - run: npm publish --tag next

.nvmrc

@@ -1 +1 @@
-16
+18

package.json

@@ -47,7 +47,7 @@
     "@types/deep-equal-in-any-order": "^1.0.1",
     "@types/lodash": "^4.14.184",
     "@types/mocha": "^9.1.1",
-    "@types/node": "^16.11.43",
+    "@types/node": "^18.11.18",
     "@types/pluralize": "0.0.29",
     "@types/uuid": "^8.3.4",
     "ajv-cli": "^5.0.0",

spec/regression/initialization.ts

@@ -6,7 +6,8 @@ import stripJsonComments from 'strip-json-comments';
 import { ArangoDBConfig } from '../../src/database/arangodb';
 
 const DATABASE_NAME = 'cruddl-test-temp';
-const DATABASE_URL = 'http://root:@localhost:8529';
+// arangodb only listens on ipv4, but localhost may resolve to ::1, so explicitly state 127.0.0.1
+const DATABASE_URL = 'http://root:@127.0.0.1:8529';
 
 export async function createTempDatabase(): Promise<ArangoDBConfig> {
     const systemDatabase = new Database({