Merge pull request #5 from ProtonMail/ci-php-83-84-1

Run tests on PHP 8.3 and 8.4

Author: BafS

.github/workflows/tests.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php: ['7.4', '8.0', '8.1', '8.2']
+        php: ['7.4', '8.0', '8.1', '8.2', '8.3', '8.4']
         dependency-version: [prefer-lowest, prefer-stable]
 
     steps: