Add PHP 8.5 to matrix

Author: othercorey

.github/workflows/ci.yml

@@ -13,15 +13,15 @@ on:
 
 jobs:
   testsuite:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     strategy:
       fail-fast: false
       matrix:
-        php-version: ['8.4']
+        php-version: ['8.4', '8.5']
         prefer-lowest: ['']
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - name: Setup PHP
       uses: shivammathur/setup-php@v2
@@ -70,15 +70,15 @@ jobs:
 
   cs-stan:
     name: Coding Standard & Static Analysis
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
 
     steps:
     - uses: actions/checkout@v4
 
     - name: Setup PHP
       uses: shivammathur/setup-php@v2
       with:
-        php-version: '8.1'
+        php-version: '8.4'
         extensions: mbstring, intl
         tools: cs2pr, phive
         coverage: none