Merge pull request #321 from PaulRotmann/PHP8.4

Run tests on PHP 8.4 and update test environment

Author: clue

.github/workflows/ci.yml

@@ -11,9 +11,10 @@ jobs:
     strategy:
       matrix:
         os:
-          - ubuntu-22.04
+          - ubuntu-24.04
           - windows-2022
         php:
+          - 8.4
           - 8.3
           - 8.2
           - 8.1
@@ -37,7 +38,7 @@ jobs:
 
   PHPUnit-macOS:
     name: PHPUnit (macOS)
-    runs-on: macos-12
+    runs-on: macos-14
     continue-on-error: true
     steps:
       - uses: actions/checkout@v4