python3Packages.mautrix: 0.20.7 -> 0.20.8

ChangeLog: https://github.com/mautrix/python/releases/tag/v0.20.8

pkgs/development/python-modules/mautrix/default.nix

···
   aiosqlite,
   asyncpg,
   ruamel-yaml,
+  fetchpatch,
 
   withOlm ? false,
 }:
···
     tag = "v${version}";
     hash = "sha256-giK8JZ6nzsA8SV6CzDNEbJmbwDju9t6fLJr/oXNjvKs=";
   };
+
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/mautrix/python/commit/0349445bd6992ac8f294582e85c3f61ce5c863b3.patch";
+      hash = "sha256-JYuFuzdwnyOdnxWg094uVKcaGza6I6hNUXUp75msRTI=";
+    })
+  ];
 
   build-system = [ setuptools ];