Update dependency azjezz/psl to v4

| datasource | package    | from  | to    |
| ---------- | ---------- | ----- | ----- |
| packagist  | azjezz/psl | 3.2.0 | 4.2.0 |

Author: renovate[bot]

composer.json

@@ -20,7 +20,7 @@
         "ext-bcmath": "*",
         "ext-json": "*",
         "ext-pcre": "*",
-        "azjezz/psl": "^3.1.0",
+        "azjezz/psl": "^4.2.0",
         "composer/composer": "^2.8.4",
         "composer/semver": "^3.4.3",
         "monolog/monolog": "^3.8.1",