Bump debhelper from old 12 to 13.

Changes-By: lintian-brush
Fixes: lintian: package-uses-old-debhelper-compat-version
See-also: https://lintian.debian.org/tags/package-uses-old-debhelper-compat-version.html

debian/changelog

+python-kubernetes (22.6.0-2) UNRELEASED; urgency=medium
+
+  * Bump debhelper from old 12 to 13.
+
+ -- Debian Janitor <janitor@jelmer.uk>  Sun, 28 Aug 2022 07:25:57 -0000
+
 python-kubernetes (22.6.0-1) unstable; urgency=medium
 
   * New upstream release.

debian/control

@@ -5,7 +5,7 @@ Maintainer: Debian Python Team <team+python@tracker.debian.org>
 Uploaders:
  Thomas Goirand <zigo@debian.org>,
 Build-Depends:
- debhelper-compat (= 12),
+ debhelper-compat (= 13),
  dh-python,
  python3-sphinx,
  python3-all,