Switch to more common vertical bar

Windows is the worst

src/Reporting/Render/Code.hs

@@ -78,7 +78,7 @@ addLineNumber maybeSubRegion width n line =
       if n < 0 then " " else show n
 
     lineNumber =
-      replicate (width - length number) ' ' ++ number ++ "│"
+      replicate (width - length number) ' ' ++ number ++ "|"
 
     spacer (R.Region start end) =
       if R.line start <= n && n <= R.line end then