downgrade to kirby v3

vendor/ml/json-ld/.github/workflows/ci.yaml

@@ -0,0 +1,43 @@
+name: Continuous integration
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+
+    env:
+      extensions: intl, mbstring, xdebug
+
+    strategy:
+      matrix:
+        php-version:
+          - "5.3"
+          - "5.4"
+          - "5.5"
+          - "5.6"
+          - "7.0"
+          - "7.1"
+          - "7.2"
+          - "7.3"
+          - "7.4"
+
+    steps:
+      - name: "Install PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "${{ matrix.php-version }}"
+          extensions: "${{ env.extensions }}"
+          ini-values: "memory_limit=-1, error_reporting=E_ALL, display_errors=On"
+          coverage: xdebug
+          tools: composer
+      - name: Checkout code
+        uses: actions/checkout@v3
+      - name: Download dependencies
+        run: composer update --no-interaction --no-progress
+      - name: Run tests
+        run: vendor/bin/phpunit