perf: update to support new Node policy

This commit updates the listed files to support the new Node 18-20
transitional support policy.

https://auro.alaskaair.com/node-support

Changes to be committed:
modified:   .github/settings.yml
modified:   .github/workflows/testPublish.yml
modified:   package.json

.github/settings.yml

@@ -60,7 +60,7 @@ branches:
         # Required. Require branches to be up to date before merging.
         strict: true
         # Required. The list of status checks to require in order to merge into this branch
-        contexts: ["test (18.x)", "license/cla"]
+        contexts: ["test (18.x)", "test (20.x)", "license/cla"]
       # Required. Enforce all configured restrictions for administrators. Set to true to enforce required status checks for repository administrators. Set to null to disable.
       enforce_admins: false
       # Required. Restrict who can push to this branch. Team and user restrictions are only available for organization-owned repositories. Set to null to disable.

.github/workflows/testPublish.yml

@@ -15,7 +15,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [18.x, 20.x]
 
     steps:
       - uses: actions/checkout@v3
@@ -37,7 +37,7 @@ jobs:
           persist-credentials: false
       - uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: 20.x
       - run: npm ci
       - run: npm run build
       - uses: cycjimmy/semantic-release-action@v3

package.json

@@ -11,7 +11,7 @@
   "description": "Auro custom auro-header element",
   "author": "Product design and research",
   "engines": {
-    "node": ">=18.15.0"
+    "node": "^18 || ^20"
   },
   "repository": {
     "type": "git",