add apt-utils Depends apt (= ${binary:Version})

As we ship some tools in apt-utils which depend on our private library
we have to ensure that apt-utils depends on a proper apt version.
An exact version is probably a bit much, but the simplest way out.

debian/control

@@ -108,7 +108,7 @@ Description: documentation for APT development
 
 Package: apt-utils
 Architecture: any
-Depends: ${shlibs:Depends}, ${misc:Depends}
+Depends: ${shlibs:Depends}, ${misc:Depends}, apt (= ${binary:Version})
 Description: package management related utility programs
  This package contains some less used commandline utilities related
  to package management with APT.