Bump minimum PHP-version to 8.5

Author: tvdijen

.github/workflows/php.yml

@@ -19,7 +19,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: ['8.3', '8.4', '8.5']
+        php-version: ['8.5']
 
     uses: simplesamlphp/simplesamlphp-test-framework/.github/workflows/reusable_phplinter.yml@v1
     secrets: inherit
@@ -47,7 +47,7 @@ jobs:
       fail-fast: false
       matrix:
         operating-system: [ubuntu-latest]
-        php-versions: ['8.3', '8.4', '8.5']
+        php-versions: ['8.5']
 
     steps:
       - name: Setup PHP, with composer and extensions
@@ -109,7 +109,7 @@ jobs:
       fail-fast: true
       matrix:
         operating-system: [windows-latest]
-        php-versions: ['8.3', '8.4', '8.5']
+        php-versions: ['8.5']
 
     steps:
       - name: Setup PHP, with composer and extensions
@@ -162,7 +162,7 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           # Should be the lowest supported version
-          php-version: '8.3'
+          php-version: '8.5'
           extensions: ctype, date, dom, intl, pcre, sodium, spl, xml
           tools: composer
           coverage: none

composer.json

@@ -10,7 +10,7 @@
         }
     ],
     "require": {
-        "php": "^8.3",
+        "php": "^8.5",
         "ext-dom": "*",
 
         "simplesamlphp/assert": "~2.0",