test with php 8.5

Author: dbu

.github/workflows/tests.yml

@@ -12,15 +12,11 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php: ['7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4']
+        php: ['7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4', '8.5']
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Emulate PHP 8.3
-        run: composer config platform.php 8.3.999
-        if: matrix.php == '8.4'
+        uses: actions/checkout@v6
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
@@ -41,7 +37,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
@@ -69,7 +65,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
@@ -92,7 +88,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2