node: use node20 and specificy it as minimum node engine

.github/workflows/test.yml

@@ -12,20 +12,27 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node_version: [ '14', '16', '18' ]
+        node_version: [ '20', '23', 'latest' ]
     name: Node ${{ matrix.node_version }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
+      - name: Setup Node.js
+        id: setup-node
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: .node-version
+          cache: npm
       - run: |
-          npm install
+          npm ci
       - run: |
           npm run format-check
       - run: |
           npm run all
+
   test: # make sure the action works on a clean machine without building
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ./
         with:
           file: examples/gitlab.yml

.node-version

@@ -0,0 +1 @@
+20.18.1

action.yml

@@ -1,6 +1,8 @@
 name: "Bump.sh API Documentation & Changelog"
 description: |
   Keep your public, private and partner API docs in sync with your code, whether you use OpenAPI or AsyncAPI.
+author: bump.sh
+
 inputs:
   file:
     description: "Relative path to an API definition file (OpenAPI or AsyncAPI)"
@@ -22,9 +24,11 @@ inputs:
   fail_on_breaking:
     description: "Mark the action as failed when a breaking change is detected with the diff command. This is only valid when `diff` is provided in the command input."
     default: false
+
 runs:
-  using: "node16"
-  main: "dist/index.js"
+  using: node20
+  main: dist/index.js
+
 branding:
   color: gray-dark
   icon: book-open

package.json

@@ -6,17 +6,16 @@
   "bugs": "https://github.com/bump-sh/github-action/issues",
   "homepage": "https://bump.sh",
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=20.0.0"
   },
   "scripts": {
     "build": "tsc -b",
     "clean": "rm -rf dist/",
     "format": "eslint . --ext .ts --config .eslintrc --fix",
     "format-check": "eslint . --ext .ts --config .eslintrc",
-    "lint": "eslint src/**/*.ts",
     "package": "ncc build --source-map --license licenses.txt -e typescript",
     "test": "jest",
-    "all": "npm run build && npm run format && npm run lint && npm run package && npm test"
+    "all": "npm run build && npm run format && npm run package && npm test"
   },
   "repository": "bump-sh/github-action",
   "keywords": [