chore: Support Node 18+

* feat: Support Node 18+

* chore: Additional Node 18 upgrades

* chore: don't change test fixtures

* feat: Move kokoro directories to 18

* chore: Update checkout and setup-node to v4

- https://github.com/actions/checkout/releases/tag/v4.0.0

- https://github.com/actions/setup-node/releases/tag/v4.0.0

Source-Link: googleapis/synthtool@c19dd80
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-nodejs:latest@sha256:8060aba1f6d5617d08091767141ab2a99ea1ccbd9371fd42ffc208c5329caa73

.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:a5af6af827a9fffba373151e1453b0498da288024cdd16477900dd42857a42e0
-# created: 2024-09-20T20:26:11.126243246Z
+  digest: sha256:8060aba1f6d5617d08091767141ab2a99ea1ccbd9371fd42ffc208c5329caa73
+# created: 2024-10-04T00:09:31.22876583Z

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -24,12 +24,12 @@ body:
             e.js"
           required: true
         - label: "Check our Troubleshooting guide:
-            https://googlecloudplatform.github.io/google-cloud-node/#/docs/guid\
-            es/troubleshooting"
+            https://github.com/googleapis/google-cloud-node/blob/main/docs/trou\
+            bleshooting.md"
           required: true
         - label: "Check our FAQ:
-            https://googlecloudplatform.github.io/google-cloud-node/#/docs/guid\
-            es/faq"
+            https://github.com/googleapis/google-cloud-node/blob/main/docs/faq.\
+            md"
           required: true
         - label: "Check our libraries HOW-TO:
             https://github.com/googleapis/gax-nodejs/blob/main/client-libraries\
@@ -55,9 +55,9 @@ body:
         behavior you are experiencing. If the behavior is the same, it means
         that you are likely experiencing a bug with the API itself. In that
         case, please submit an issue to the API team, either by submitting an
-        issue in its issue tracker https://cloud.google.com/support/docs/issue-trackers, or by
+        issue in its issue tracker (https://cloud.google.com/support/docs/issue-trackers), or by
         submitting an issue in its linked tracker in the .repo-metadata.json
-        file https://b.corp.google.com/savedsearches/559654       
+        file https://b.corp.google.com/savedsearches/559654    
     validations:
       required: true
   - type: input

.github/ISSUE_TEMPLATE/processs_request.md

@@ -1,5 +1,4 @@
 ---
 name: Process Request
-about: Submit a process request to the library. Process requests are any requests related to library infrastructure, including CI/CD, publishing, releasing, etc. This issue template should primarily used by internal members.
-
----
+about: Submit a process request to the library. Process requests are any requests related to library infrastructure, for example CI/CD, publishing, releasing, broken links.
+---

.github/scripts/close-invalid-link.cjs

@@ -40,9 +40,12 @@ module.exports = async ({github, context}) => {
     const isBugTemplate = issue.data.body.includes('Link to the code that reproduces this issue');
 
     if (isBugTemplate) {
+        console.log(`Issue ${number} is a bug template`)
         try {
-            const link = issue.data.body.split('\n')[18].match(/(https?:\/\/g?i?s?t?\.?github.com\/.*)/);
+            const link = issue.data.body.split('\n')[18].match(/(https?:\/\/(gist\.)?github.com\/.*)/)[0];
+            console.log(`Issue ${number} contains this link: ${link}`)
             const isValidLink = (await fetch(link)).ok;
+            console.log(`Issue ${number} has a ${isValidLink ? 'valid' : 'invalid'} link`)
             if (!isValidLink) {
             await closeIssue(github, owner, repo, number);
             }

.github/workflows/ci.yaml

@@ -9,10 +9,10 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [14, 16, 18, 20]
+        node: [14, 16, 18}]
     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