Add more php extensions

Signed-off-by: Julius Härtl <jus@bitgrid.net>

Author: juliusknorr

.github/workflows/oci.yml

@@ -41,7 +41,7 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php-versions }}
-          extensions: mbstring, iconv, fileinfo, intl, sqlite, pdo_sqlite, oci8
+          extensions: mbstring, iconv, fileinfo, intl, sqlite, pdo_sqlite, oci8, gd, imagick
           tools: phpunit:9
           coverage: none