Docs: Mention new navigation commands

Document the changes in this PR:
  github/vscode-codeql#1568

Author: asgerf

docs/codeql/codeql-for-visual-studio-code/exploring-data-flow-with-path-queries.rst

@@ -28,7 +28,7 @@ Running path queries in VS Code
 #. Once the query has finished running, you can see the results in the Results view as usual (under ``alerts`` in the dropdown menu). Each query result describes the flow of information between a source and a sink.
 #. Expand the result to see the individual steps that the data follows. 
 #. Click each step to jump to it in the source code and investigate the problem further.
-#. To navigate the path from your keyboard, you can bind shortcuts to the **CodeQL: Show Previous Step on Path** and **CodeQL: Show Next Step on Path** commands.
+#. To navigate the results from your keyboard, you can bind shortcuts to the **CodeQL: Navigate Up/Down/Left/Right in Result Viewer** commands.
 
 Further reading
 -----------------