Update dependency webmozart/assert to v2

| datasource | package          | from   | to    |
| ---------- | ---------------- | ------ | ----- |
| packagist  | webmozart/assert | 1.12.1 | 2.0.0 |


Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

composer.json

@@ -19,7 +19,7 @@
     "mezzio/mezzio-authentication": "^1.10",
     "psr/http-message": "^1.0.1 || ^2.0",
     "psr/http-server-middleware": "^1.0",
-    "webmozart/assert": "^1.11"
+    "webmozart/assert": "^1.11 || ^2.0"
   },
   "require-dev": {
     "laminas/laminas-coding-standard": "^3.1",