add Breaks: against ruby-pry-byebug << 3.7.0-1~

Closes: #948455

debian/control

@@ -25,6 +25,7 @@ Depends: ruby | ruby-interpreter,
          ruby-columnize (>= 0.9.0),
          ${misc:Depends},
          ${shlibs:Depends}
+Breaks: ruby-pry-byebug (<< 3.7.0-1~)
 Description: Ruby fast debugger - base + CLI
  Byebug is a Ruby 2 debugger. It's implemented using the
  Ruby 2 TracePoint C API for execution control and the Debug Inspector C API