refactor(dissertation): change ref to autoref

pub/dissertation/dissertation.tex

@@ -21,6 +21,8 @@
   }
 }
 
+\providecommand*{\listingautorefname}{Listing}
+
 % Taken from vdmlisting
 \lstdefinelanguage{VDM_SL}
   {morekeywords={RESULT,\#else,\#endif,\#ifdef,\#ifndef,abs,all,always,and,as,atomic,be,be st,bool,by,card,cases,char,comp,compose,conc,dcl,def,definitions,dinter,div,dlmodule,do,dom,dunion,