build(deps): bump dnspython from 2.8.0 to 2.9.0 (#1471)

Bumps [dnspython](https://github.com/rthalley/dnspython) from 2.8.0 to 2.9.0.
- [Release notes](https://github.com/rthalley/dnspython/releases)
- [Changelog](https://github.com/rthalley/dnspython/blob/main/doc/whatsnew.rst)
- [Commits](https://github.com/rthalley/dnspython/compare/v2.8.0...v2.9.0)

---
updated-dependencies:
- dependency-name: dnspython
  dependency-version: 2.9.0
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Normann <github@koldrack.com>

uv.lock

@@ -1,5 +1,5 @@
 version = 1
-revision = 3
+revision = 5
 requires-python = ">=3.11"
 resolution-markers = [
     "python_full_version >= '3.15' and sys_platform == 'win32'",
@@ -1000,11 +1000,11 @@ wheels = [
 
 [[package]]
 name = "dnspython"
-version = "2.8.0"
+version = "2.9.0"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/8c/8b/57666417c0f90f08bcafa776861060426765fdb422eb10212086fb811d26/dnspython-2.8.0.tar.gz", hash = "sha256:181d3c6996452cb1189c4046c61599b84a5a86e099562ffde77d26984ff26d0f", size = 368251, upload-time = "2025-09-07T18:58:00.022Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/ef/4a/50822184bd67cc6493f0fb6a880749158fcd31ab3fa07409acfd91f9fc85/dnspython-2.9.0.tar.gz", hash = "sha256:b44dc6b18f07a8b1c56676a19fbfdb5209415b046a9cece286baafa87ff3f7f1", size = 423560, upload-time = "2026-10-09T00:07:24.352Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/ba/5a/18ad964b0086c6e62e2e7500f7edc89e3faa45033c71c1893d34eed2b2de/dnspython-2.8.0-py3-none-any.whl", hash = "sha256:01d9bbc4a2d76bf0db7c1f729812ded6d912bd318d3b1cf81d30c0f845dbf3af", size = 331094, upload-time = "2025-09-07T18:57:58.071Z" },
+    { url = "https://files.pythonhosted.org/packages/10/02/cdcc9b7c051786a103c3b09e1003a82fa0c66bcb91ffbdabcfbf7b4163b9/dnspython-2.9.0-py3-none-any.whl", hash = "sha256:9a4aedb833c3c1b49214d04d44d3032ab7a9135f7c1d29a549b4ff78fd82fda9", size = 354822, upload-time = "2026-10-09T00:07:22.622Z" },
 ]
 
 [[package]]