doc: develop: test: twister: Add ctest harness option

Add ctest to the list of harnesses and the ctest_args harness config
option.

Signed-off-by: Pieter De Gendt <pieter.degendt@basalte.be>

Author: pdgendt

doc/develop/test/twister.rst

@@ -560,6 +560,7 @@ harness: <string>
     - pytest
     - gtest
     - robot
+    - ctest
 
     Harnesses ``ztest``, ``gtest`` and ``console`` are based on parsing of the
     output and matching certain phrases. ``ztest`` and ``gtest`` harnesses look
@@ -725,6 +726,12 @@ harness_config: <harness configuration options>
         If the scope is set to ``function``, DUT is launched for every test case
         in python script. For ``session`` scope, DUT is launched only once.
 
+    ctest_args: <list of arguments> (default empty)
+        Specify a list of additional arguments to pass to ``ctest`` e.g.:
+        ``ctest_args: [‘--repeat until-pass:5’]``. Note that
+        ``--ctest-args`` can be passed multiple times to pass several arguments
+        to the ctest.
+
     robot_testsuite: <robot file path> (default empty)
         Specify one or more paths to a file containing a Robot Framework test suite to be run.