chore: Update PHP extensions in CI workflow

This commit updates the PHP extensions in the continuous integration workflow. The `pdo_mysql` extension is replaced with `pdo` to align with the project's requirements. This change ensures compatibility with the latest version of PHP (8.2) and maintains the necessary extensions for the project.

Closes #123

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           php-version: '8.2'
-          extensions: mbstring, json, pdo_mysql, curl
+          extensions: mbstring, json, pdo, curl
           ini-values: post_max_size=256M, upload_max_filesize=256M, memory_limit=2G
           coverage: none