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

@@ -2,6 +2,7 @@ fail2ban (0.11.2-3) UNRELEASED; urgency=medium
 
   * Remove constraints unnecessary since stretch:
     + Build-Depends: Drop versioned constraint on debhelper.
+  * Bump debhelper from old 12 to 13.
 
  -- Debian Janitor <janitor@jelmer.uk>  Tue, 13 Jul 2021 19:39:48 -0000
 

debian/control

@@ -5,7 +5,7 @@ Maintainer: Debian Python Team <team+python@tracker.debian.org>
 Uploaders: Yaroslav Halchenko <debian@onerussian.com>,
  Sylvestre Ledru <sylvestre@debian.org>
 Build-Depends:
- debhelper-compat (= 12)
+ debhelper-compat (= 13)
  , debhelper
  , dh-python
  , python3

debian/rules

@@ -55,10 +55,8 @@ override_dh_install:
 	dh_install
 
 override_dh_auto_test:
-ifeq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
 # fails for now (4 tests), accept it for now
 	FAIL2BAN_CONFIG_DIR="$(CURDIR)/config" LC_ALL=C.UTF-8 bin/fail2ban-testcases --verbosity=2 --no-network || true
-endif
 
 override_dh_installexamples:
 	dh_installexamples files/ipmasq-* files/nagios files/cacti