Update node to 20 (#305)

.github/workflows/build.yml

@@ -7,10 +7,10 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v4
-    - name: Set Node.js 16.x
+    - name: Set Node.js 20.x
       uses: actions/setup-node@v4
       with:
-        node-version: 16.x
+        node-version: 20.x
     - name: "Install"
       run: |
         npm ci
@@ -32,10 +32,10 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
-      - name: Set Node.js 16.x
+      - name: Set Node.js 20.x
         uses: actions/setup-node@v4
         with:
-          node-version: 16.x
+          node-version: 20.x
       - name: "Build action for test"
         run: |
           npm ci

__tests__/bundle-size.test.ts

@@ -13,22 +13,22 @@ nock('http://assets.example')
   .head('/prototype.js')
   .reply(200, undefined, {
     // @ts-ignore
-    'Content-Length': 123456
+    'Content-Length': '123456'
   })
   .head('/scriptaculous.js')
   .reply(200, undefined, {
     // @ts-ignore
-    'Content-Length': 654321
+    'Content-Length': '654321'
   })
   .head('/blueprint.css')
   .reply(200, undefined, {
     // @ts-ignore
-    'Content-Length': 1000000
+    'Content-Length': '1000000'
   })
   .head('/error.js')
   .reply(404, undefined, {
     // @ts-ignore
-    'Content-Length': 1
+    'Content-Length': '1'
   })
 
 describe('bundleSize', () => {

action.yml

@@ -13,5 +13,5 @@ outputs:
   size:
     description: "Size in bytes of the full build bundle"
 runs:
-  using: 'node16'
+  using: 'node20'
   main: 'dist/index.js'