feat: Support PHP 8.4

.github/workflows/CI-Experimental.yml

@@ -10,7 +10,7 @@ on:
 
 jobs:
   tests:
-    name: Tests on PHP 8.4 nightly
+    name: Tests on PHP 8.5 nightly
     runs-on: ubuntu-24.04
     services:
       redis:
@@ -22,7 +22,7 @@ jobs:
         uses: actions/checkout@v4
       - uses: shivammathur/[email protected]
         with:
-          php-version: '8.4'
+          php-version: '8.5'
           extensions: mbstring, redis, apcu
           ini-values: apc.enable_cli=1, zend.assertions=1
           coverage: none

.github/workflows/CI.yml

@@ -19,8 +19,8 @@ jobs:
           - 6379/tcp
     strategy:
       matrix:
-        php: ['8.1', '8.2', '8.3']
-        dependencies: ['', '--prefer-lowest --prefer-stable']
+        php: ['8.1', '8.2', '8.3', '8.4']
+        dependencies: ['', '--prefer-lowest --prefer-stable --ignore-platform-req=php']
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -78,7 +78,7 @@ jobs:
     runs-on: ubuntu-24.04
     strategy:
       matrix:
-        php: ['8.1', '8.2', '8.3']
+        php: ['8.1', '8.2', '8.3', '8.4']
     steps:
       - name: Checkout
         uses: actions/checkout@v4

composer.json

@@ -3,7 +3,7 @@
     "description": "Prometheus instrumentation library",
     "license": "Apache-2.0",
     "require": {
-        "php": "~8.1.0|~8.2.0|~8.3.0",
+        "php": "~8.1.0|~8.2.0|~8.3.0|~8.4.0",
         "ext-json": "*",
         "psr/http-client": "^1.0",
         "psr/http-factory": "^1.0",