QL etudes: Update linked queries

Author: Shati Patel

docs/language/learn-ql/ql-etudes/river-crossing.rst

@@ -245,15 +245,15 @@ Here are some more example QL queries that solve the river crossing puzzle:
   #. This query uses a modified ``path`` variable to describe the resulting path in
      more detail.
 
-     ➤ `See solution in the query console <https://lgtm.com/query/766398955877740367/>`__
+     ➤ `See solution in the query console <https://lgtm.com/query/374739798559373721/>`__
 
   #. This query models the man and the cargo items in a different way, using an 
      `abstract <https://help.semmle.com/QL/ql-handbook/annotations.html#abstract>`__
      class and predicate. It also displays the resulting path in a more visual way.
 
-     ➤ `See solution in the query console <https://lgtm.com/query/4569245314675800407/>`__
+     ➤ `See solution in the query console <https://lgtm.com/query/1025323464423811143/>`__
 
   #. This query introduces `algebraic datatypes <https://help.semmle.com/QL/ql-handbook/types.html#algebraic-datatypes>`__
      to model the situation, instead of defining everything as a subclass of ``string``.
 
-     ➤ `See solution in the query console <https://lgtm.com/query/7017582538107942633/>`__
+     ➤ `See solution in the query console <https://lgtm.com/query/7260748307619718263/>`__