Update standards version to 4.6.0, no changes needed.

Changes-By: lintian-brush
Fixes: lintian: out-of-date-standards-version
See-also: https://lintian.debian.org/tags/out-of-date-standards-version.html

debian/control

@@ -3,7 +3,7 @@ Section: net
 Priority: optional
 Maintainer: Debian Security Tools <team+pkg-security@tracker.debian.org>
 Uploaders: Marcos Fouces <marcos@debian.org>, Lukas Schwaighofer <lukas@schwaighofer.name>
-Standards-Version: 4.5.1
+Standards-Version: 4.6.0
 Build-Depends: libdb-dev (>= 4.7), libpcap0.8-dev, libnids-dev, libssl-dev, libxmu-dev, libnet1-dev, debhelper-compat (= 13)
 Homepage: https://www.monkey.org/~dugsong/dsniff/
 Vcs-Git: https://salsa.debian.org/pkg-security-team/dsniff.git