fix(deps): update dependency pydantic to v2.12.4

Author: renovate[bot]

pyproject.toml

@@ -24,7 +24,7 @@ classifiers = [
 dependencies = [
     "async-irc==0.2.0",
     "typing_extensions==4.15.0",
-    "pydantic==2.12.3",
+    "pydantic==2.12.4",
     "aiofiles==25.1.0",
     "typer==0.20.0",
 ]