feat!: Support Node 18+

.github/.OwlBot.lock.yaml

@@ -13,5 +13,5 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-nodejs:latest
-  digest: sha256:609822e3c09b7a1bd90b99655904609f162cc15acb4704f1edf778284c36f429
-# created: 2024-10-01T19:34:30.797530443Z
+  digest: sha256:bd8b41503cfcbd21f121e4b197d0f8bf1447f3499921f18441bb7e6e3ae8f7fa
+# created: 2024-10-10T00:00:00.00000000Z

.github/sync-repo-settings.yaml

@@ -8,9 +8,9 @@ branchProtectionRules:
       - "ci/kokoro: Samples test"
       - "ci/kokoro: System test"
       - lint
-      - test (14)
-      - test (16)
       - test (18)
+      - test (20)
+      - test (22)
       - cla/google
       - windows
       - OwlBot Post Processor

.github/workflows/ci.yaml

@@ -9,10 +9,10 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [14, 16, 18, 20]
+        node: [18, 20, 22]
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}
       - run: node --version
@@ -29,30 +29,30 @@ jobs:
   windows:
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
-          node-version: 14
+          node-version: 18
       - run: npm install --engine-strict
       - run: npm test
         env:
           MOCHA_THROW_DEPRECATION: false
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
-          node-version: 14
+          node-version: 18
       - run: npm install
       - run: npm run lint
   docs:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
-          node-version: 14
+          node-version: 18
       - run: npm install
       - run: npm run docs
       - uses: JustinBeckwith/linkinator-action@v1

package.json

@@ -32,7 +32,7 @@
     "google"
   ],
   "engines": {
-    "node": ">=14"
+    "node": ">=18"
   },
   "author": "Google, LLC",
   "license": "Apache-2.0",