Migrate Travis to GitHub Actions

.github/workflows/build.yml

@@ -0,0 +1,18 @@
+name: build
+
+on: [push, pull_request]
+
+jobs:
+    build:
+        runs-on: ubuntu-latest
+
+        steps:
+            - uses: actions/checkout@v3
+            - uses: actions/setup-node@v3
+              with:
+                  node-version: '16'
+            - run: yarn --frozen-lockfile
+            - run: yarn test
+            - run: yarn lint
+            - run: yarn pretty-quick --check
+            - run: yarn build

.travis.yml

@@ -1,7 +0,0 @@
-language: node_js
-node_js:
-    - lts/*
-cache: yarn
-script:
-    - yarn test
-    - yarn lint