Publish API docs via GitHub Actions

.github/workflows/github-pages.yml

@@ -0,0 +1,29 @@
+name: GithHub Pages
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  github-pages:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup PHP, with composer and extensions
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 7.4
+          coverage: none # remove xdebug
+
+      - name: Build API documentation
+        run: |
+          curl -LO https://github.com/phpDocumentor/phpDocumentor/releases/download/v3.0.0-rc/phpDocumentor.phar
+          php phpDocumentor.phar --directory src/ --target docs/api
+
+      - name: Deploy to GithHub Pages
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./docs/api

.travis.yml

@@ -36,16 +36,3 @@ jobs:
       after_script:
         - wget https://scrutinizer-ci.com/ocular.phar
         - php ocular.phar code-coverage:upload --format=php-clover tests/coverage-clover.xml
-
-    - stage: API documentations
-      if: tag is present
-      php: 7.4
-      before_script:
-        - curl -LO https://github.com/phpDocumentor/phpDocumentor/releases/download/v3.0.0-rc/phpDocumentor.phar
-      script:
-        - php phpDocumentor.phar --directory src/ --target docs/api
-      deploy:
-        provider: pages
-        skip-cleanup: true
-        local-dir: docs/api
-        github-token: $GITHUB_TOKEN