CI: bump top Node.js version to 17, which is now stable

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
       matrix:
         node-version:
         # Align the top Node version here with: 1. linter conditions later below, 2. publish.yml.
-        - 16.x
+        - 17.x
         # Bumping the minimum required Node version? You must bump:
         #   1. package.json -> engines.node
         #   2. package.json -> devDependencies.@types/node
@@ -35,6 +35,6 @@ jobs:
     # Will also (through `prepare` hook): 1. install ./app, and 2. build
     - run: npm ci --no-fund
     # Only run linter once, for faster CI. Align the versions of Node here with above and publish.yml.
-    - if: matrix.platform == 'ubuntu-latest' && matrix.node-version == '16.x'
+    - if: matrix.platform == 'ubuntu-latest' && matrix.node-version == '17.x'
       run: npm run lint
     - run: npm test

.github/workflows/publish.yml

@@ -12,7 +12,7 @@ jobs:
     - uses: actions/setup-node@v1
       with:
         # Align the version of Node here with ci.yml.
-        node-version: '16.x'
+        node-version: '17.x'
         registry-url: 'https://registry.npmjs.org'
     # Will also (through `prepare` hook): 1. install ./app, and 2. build
     - run: npm ci --no-fund