Add test runs on GitHub Actions

.github/workflows/test.yml

@@ -0,0 +1,27 @@
+name: cipherscan
+
+on:
+  workflow_dispatch:
+  pull_request:
+  push:
+    branches:
+      - master
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.8", "3.10", "3.12"]
+    steps:
+    - uses: actions/checkout@v4
+    - name: Test Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v5
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install
+      run: |
+        python -m pip install six
+    - name: Scan
+      run: |
+        ./cipherscan example.org

.travis.yml

@@ -1,4 +0,0 @@
-dist: trusty
-language: python
-script:
-- ./cipherscan google.com

README.md

@@ -1,7 +1,7 @@
 CipherScan
 ==========
 
-[![Build Status](https://travis-ci.org/mozilla/cipherscan.svg?branch=master)](https://travis-ci.org/mozilla/cipherscan)
+[![CI](https://github.com/mozilla/cipherscan/actions/workflows/test.yml/badge.svg)](https://github.com/mozilla/cipherscan/actions/workflows/test.yml)
 
 ![cipherscan](https://pbs.twimg.com/media/CPbjvCFW8AAnUK3.png:large)