ci: switch to GHA

.github/workflows/test.yml

@@ -0,0 +1,34 @@
+name: Test
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '0 19 * * 1-5'
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - name: Setup Node.js
+        uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af # v4.1.0
+        with:
+          node-version-file: '.nvmrc' 
+          cache: 'yarn'
+      - name: Install dependencies
+        run: yarn install --frozen-lockfile
+      - name: Lint
+        run: yarn lint
+      - name: Test
+        run: yarn test

.nvmrc

@@ -1 +1 @@
-16
+22

README.md

@@ -1,7 +1,7 @@
-[![CircleCI](https://dl.circleci.com/status-badge/img/gh/electron/trop/tree/main.svg?style=shield)](https://dl.circleci.com/status-badge/redirect/gh/electron/trop/tree/main)
-
 # trop
 
+[![Test](https://github.com/electron/trop/actions/workflows/test.yml/badge.svg)](https://github.com/electron/trop/actions/workflows/test.yml)
+
 > a GitHub App built with [probot](https://github.com/probot/probot) that automates the process of backporting features and bugfixes.
 
 ```js
@@ -25,7 +25,6 @@ npm install
 npm start
 ```
 
-
 ## Documentation
 
 To learn how to use `trop`, see [usage](docs/usage.md).