Update to support latest laravel 8

.github/workflows/codestyle.yml

@@ -0,0 +1,17 @@
+name: codestyle
+on:
+  push:
+    paths:
+      - '**.php'
+      - '.php_cs'
+      - '.github/workflows/codestyle.yml'
+jobs:
+  codestyle:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Code checkout
+        uses: actions/checkout@v2
+      - name: Fix style
+        uses: docker://oskarstark/php-cs-fixer-ga
+        with:
+          args: --config=.php_cs --allow-risky=yes

.github/workflows/static-analysis.yml

@@ -0,0 +1,35 @@
+# Trigger the workflow on push or pull request
+name: static analysis
+on:
+  push:
+    paths:
+      - '**.php'
+      - 'psalm.xml'
+      - '.github/workflows/static-analysis.yml'
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    name: Static analysis
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v2
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '7.4'
+          extensions: dom, curl, libxml, mbstring, zip, pcntl, pdo, sqlite, pdo_sqlite, bcmath, soap, intl, gd, exif, iconv, imagick
+          coverage: none
+
+      - name: Cache composer dependencies
+        uses: actions/cache@v1
+        with:
+          path: vendor
+          key: composer-${{ hashFiles('composer.lock') }}
+
+      - name: Install dependencies
+        run: composer install -n --prefer-dist --no-suggest
+
+      - name: Run psalm
+        run: ./vendor/bin/psalm -c psalm.xml

.github/workflows/testsuite.yml

@@ -0,0 +1,40 @@
+# Trigger the workflow on push or pull request
+name: testsuite
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: true
+      matrix:
+        php: [7.3,7.4]
+        laravel: [6.*,7.*,8.*]
+        stability: [prefer-stable, prefer-lowest]
+        include:
+          - laravel: 6.*
+            testbench: 4.*
+          - laravel: 7.*
+            testbench: 5.*
+          - laravel: 8.*
+            testbench: 6.*
+
+    name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.stability }}
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v2
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          extensions: dom, curl, libxml, mbstring, zip, pcntl, pdo, sqlite, pdo_sqlite, bcmath, soap, intl, gd, exif, iconv, imagick
+          coverage: none
+
+      - name: Install dependencies
+        run: |
+          composer require "laravel/framework:${{ matrix.laravel }}" "orchestra/testbench:${{ matrix.testbench }}" --no-interaction --no-update
+          composer update --${{ matrix.stability }} --prefer-dist --no-interaction --no-suggest
+
+      - name: Run phpunit
+        run: vendor/bin/phpunit

composer.json

@@ -14,14 +14,14 @@
         }
     ],
     "require": {
-        "php" : ">=7.2",
-        "laravel/framework": "~7.0",
+        "php" : ">=7.3",
+        "laravel/framework": "~7.0|^8.0",
         "thinktomorrow/url": "1.0.0"
     },
     "require-dev": {
         "phpunit/phpunit" : "~8.5",
         "mockery/mockery" : "~1.1",
-        "orchestra/testbench": "^5.0.0"
+        "orchestra/testbench": "^5.7|^6.0"
     },
     "autoload": {
         "psr-4": {