Update urwid requirement from <=3.0.3,>=2.6.14 to >=2.6.14,<=3.0.4

Updates the requirements on [urwid](https://github.com/urwid/urwid) to permit the latest version.
- [Release notes](https://github.com/urwid/urwid/releases)
- [Changelog](https://github.com/urwid/urwid/blob/master/docs/changelog.rst)
- [Commits](urwid/urwid@2.6.14...3.0.4)

---
updated-dependencies:
- dependency-name: urwid
  dependency-version: 3.0.4
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pyproject.toml

@@ -54,7 +54,7 @@ dependencies = [
     "sortedcontainers>=2.3,<=2.4.0",
     "tornado>=6.5.0,<=6.5.2",
     "typing-extensions>=4.13.2,<=4.14; python_version < '3.13'",
-    "urwid>=2.6.14,<=3.0.3",
+    "urwid>=2.6.14,<=3.0.4",
     "wsproto>=1.0,<=1.3.2",
     "publicsuffix2>=2.20190812,<=2.20191221",
     "zstandard>=0.25,<=0.25.0",