Update deps to Node 20 (#653)

Author: sethvargo

.github/workflows/integration.yml

@@ -29,11 +29,11 @@ jobs:
       id-token: 'write'
 
     steps:
-      - uses: 'actions/checkout@v3'
+      - uses: 'actions/checkout@v4'
 
       - uses: 'actions/setup-node@v3'
         with:
-          node-version: '16.x'
+          node-version: '20.x'
 
       - name: 'Build'
         run: 'npm ci && npm run build'

.github/workflows/unit.yml

@@ -25,11 +25,11 @@ jobs:
     runs-on: '${{ matrix.os }}'
 
     steps:
-      - uses: 'actions/checkout@v3'
+      - uses: 'actions/checkout@v4'
 
       - uses: 'actions/setup-node@v3'
         with:
-          node-version: '16.x'
+          node-version: '20.x'
 
       - name: 'npm ci'
         run: 'npm ci'

README.md

@@ -23,9 +23,10 @@ support](https://cloud.google.com/support).**
 -   This action requires Google Cloud credentials to execute gcloud commands.
     See [Authorization](#Authorization) for more details.
 
--   This action runs using Node 16. If you are using self-hosted GitHub Actions
-    runners, you must use runner version [2.285.0](https://github.com/actions/virtual-environments)
-    or newer.
+-   This action runs using Node 20. If you are using self-hosted GitHub Actions
+    runners, you must use a [runner
+    version](https://github.com/actions/virtual-environments) that supports this
+    version or newer.
 
 ## Usage
 

action.yml

@@ -52,5 +52,5 @@ branding:
   color: 'blue'
 
 runs:
-  using: 'node16'
+  using: 'node20'
   main: 'dist/main/index.js'