feature: add predis to dev deps

Signed-off-by: Mateusz Cholewka <mateusz@cholewka.com.pl>

Author: mtk3d

composer.json

@@ -25,6 +25,7 @@
         "phpstan/phpstan-phpunit": "^1.1.0",
         "phpstan/phpstan-strict-rules": "^1.1.0",
         "phpunit/phpunit": "^9.4",
+        "predis/predis": "^2.3",
         "squizlabs/php_codesniffer": "^3.6",
         "symfony/polyfill-apcu": "^1.6"
     },