[CI] Move ECS from Travis to Github Actions

.github/workflows/code_analysis.yaml

@@ -0,0 +1,34 @@
+name: Code Analysis
+
+on:
+    pull_request: null
+    push:
+        branches:
+            - master
+
+jobs:
+    code_analysis:
+        strategy:
+            fail-fast: false
+            matrix:
+                actions:
+                    -
+                        name: Coding Standard
+                        # tip: add "--ansi" to commands in CI to make them full of colors
+                        run: vendor/bin/ecs check src --ansi
+
+        name: ${{ matrix.actions.name }}
+        runs-on: ubuntu-latest
+
+        steps:
+            -   uses: actions/checkout@v2
+            # see https://github.com/shivammathur/setup-php
+            -   uses: shivammathur/setup-php@v1
+                with:
+                    # test the lowest version, to make sure checks pass on it
+                    php-version: 7.2
+                    coverage: none
+
+            -   run: composer install --no-progress --ansi
+
+            -   run: ${{ matrix.actions.run }}

.travis.yml

@@ -49,7 +49,6 @@ before_script:
 
 script:
   # this checks that the source code follows the Bolt Code Syntax rules
-  - php -d memory_limit=2G vendor/bin/ecs check src
   - ./vendor/bin/phpstan analyse -c phpstan.neon src
   # run EsLint on Javascript files
   - npm run lint