Add PHP 8.4 to CI

Author: Frederick888

.github/workflows/php.yml

@@ -22,13 +22,13 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        php-version: ["8.3", "8.2", "8.1", "8.0", "7.4", "7.3"]
+        php-version: ["8.4", "8.3", "8.2", "8.1", "8.0", "7.4", "7.3"]
 
     steps:
       - uses: actions/checkout@v4
 
       - name: Cancel Previous Runs
-        if: contains(matrix.os, 'ubuntu') && contains(matrix.php-version, '8.3')
+        if: contains(matrix.os, 'ubuntu') && contains(matrix.php-version, '8.4')
         uses: styfle/cancel-workflow-action@0.11.0
         with:
           access_token: ${{ github.token }}

.gitlab-ci.yml

@@ -22,6 +22,10 @@ before_script:
     paths:
       - modules/bencode.so
 
+php84:
+  extends: .php
+  image: php:8.4
+
 php83:
   extends: .php
   image: php:8.3