Add PHP 8.5 to build pipeline

Author: kelunik

.github/workflows/ci.yml

@@ -23,6 +23,9 @@ jobs:
           - operating-system: 'ubuntu-latest'
             php-version: 8.4
             composer-flags: '--ignore-platform-req=php+'
+          - operating-system: 'ubuntu-latest'
+            php-version: 8.5
+            composer-flags: '-ignore-platform-req=php+'
             psalm: none
 
     name: PHP ${{ matrix.php-version }} ${{ matrix.job-description }}