Bump dnspython from 2.5.0 to 2.6.0 in /.github/requirements (#10414)

* Bump dnspython from 2.5.0 to 2.6.0 in /.github/requirements

Bumps [dnspython](https://github.com/rthalley/dnspython) from 2.5.0 to 2.6.0.
- [Release notes](https://github.com/rthalley/dnspython/releases)
- [Changelog](https://github.com/rthalley/dnspython/blob/main/doc/whatsnew.rst)
- [Commits](rthalley/dnspython@v2.5.0...v2.6.0)

---
updated-dependencies:
- dependency-name: dnspython
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

* Update publish-requirements.txt

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Alex Gaynor <alex.gaynor@gmail.com>

.github/requirements/publish-requirements.txt

@@ -203,9 +203,9 @@ cryptography==42.0.3 \
     #   pyopenssl
     #   secretstorage
     #   sigstore
-dnspython==2.5.0 \
-    --hash=sha256:6facdf76b73c742ccf2d07add296f178e629da60be23ce4b0a9c927b1e02c3a6 \
-    --hash=sha256:a0034815a59ba9ae888946be7ccca8f7c157b286f8455b379c692efb51022a15
+dnspython==2.6.0 \
+    --hash=sha256:233f871ff384d84c33b2eaf4358ffe7f8927eae3b257ad8467f9bdba7e7ac6bc \
+    --hash=sha256:44c40af3bffed66e3307cea9ab667fd583e138ecc0777b18f262a9dae034e5fa
     # via email-validator
 docutils==0.20.1 \
     --hash=sha256:96f387a2c5562db4476f09f13bbab2192e764cac08ebbf3a34a95d9b1e4a59d6 \