remove usage of included_suites when using newer RF versions

included_suites has been deprecated as of RF 6.1

src/pabot/pabot.py

@@ -1148,9 +1148,16 @@ def generate_suite_names_with_builder(outs_dir, datasources, options):
     if "pythonpath" in opts:
         del opts["pythonpath"]
     settings = RobotSettings(opts)
-    builder = TestSuiteBuilder(
-        settings["SuiteNames"], settings.extension, rpa=settings.rpa
-    )
+
+    # Note: first argument (included_suites) is deprecated from RobotFramework 6.1
+    if ROBOT_VERSION < "6.1":
+        builder = TestSuiteBuilder(
+            settings["SuiteNames"], settings.extension, rpa=settings.rpa
+        )
+    else:
+        builder = TestSuiteBuilder(
+            included_extensions=settings.extension, rpa=settings.rpa
+        )
     suite = builder.build(*datasources)
     settings.rpa = builder.rpa
     suite.configure(**settings.suite_config)