General Improvements (actions#70)

# General Improvements

> This is a classic @GrantBirki drive-by PR 🚗

This pull request does the following:

- Lightly updates and formats a few existing Actions workflows
- Adds a new `package-check` workflow to validate the contents of the
`dist/` directory have been properly built
- Uses a `.node-version` file so that local development and Actions
remain on the same pinned version of node
- Adds status badges to the readme for visual effect ⭐ 🎨

Author: GrantBirki

Diff for: .github/workflows/release.yml

@@ -1,5 +1,6 @@
 name: release
-"on":
+
+on:
   push:
     branches:
       - main
@@ -18,10 +19,12 @@ jobs:
       - uses: actions/checkout@v4
         with:
           persist-credentials: false
+
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
-          cache: "npm"
+          node-version-file: .node-version
+          cache: 'npm'
+
       - run: npm ci
       - run: npm run build
       - uses: ./

Diff for: .github/workflows/test.yml

@@ -1,4 +1,5 @@
 name: test
+
 on:
   push:
     branches:
@@ -15,10 +16,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
-          cache: "npm"
+          node-version-file: .node-version
+          cache: 'npm'
+
       - run: npm ci
       - run: npm test
 

Diff for: .node-version

@@ -0,0 +1 @@
+20.0.0

Diff for: README.md

@@ -1,5 +1,7 @@
 # Create GitHub App Token
 
+[![test](https://github.com/actions/create-github-app-token/actions/workflows/test.yml/badge.svg)](https://github.com/actions/create-github-app-token/actions/workflows/test.yml)
+
 GitHub Action for creating a GitHub App installation access token.
 
 ## Usage
@@ -46,7 +48,7 @@ jobs:
           # required
           app-id: ${{ vars.APP_ID }}
           private-key: ${{ secrets.PRIVATE_KEY }}
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           token: ${{ steps.app-token.outputs.token }}
           ref: ${{ github.head_ref }}

Diff for: badges/coverage.svg

@@ -5,7 +5,7 @@
   "version": "1.5.1",
   "description": "GitHub Action for creating a GitHub App Installation Access Token",
   "scripts": {
-    "build": "esbuild main.js post.js --bundle --outdir=dist --out-extension:.js=.cjs --platform=node --target=node16.16",
+    "build": "esbuild main.js post.js --bundle --outdir=dist --out-extension:.js=.cjs --platform=node --target=node20.0.0",
     "test": "c8 --100 ava tests/index.js",
     "coverage": "c8 report --reporter html",
     "postcoverage": "open-cli coverage/index.html"