remote/exporter: ser2net YAML config since 4.2.0

Contrary to the code, ser2net started using the YAML configuration in
version 4.2.0, correct the exporter version check.

Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>

Author: Emantor

labgrid/remote/exporter.py

@@ -242,7 +242,7 @@ def _start(self, start_params):
         if version not in [(4, 4, 0), (4, 5, 0), (4, 5, 1), (4, 6, 0), (4, 6, 1)] and result.returncode == 1:
             raise ExporterError(f"ser2net {version} returned a nonzero code during version check.")
 
-        if version >= (4, 0, 0):
+        if version >= (4, 2, 0):
             cmd = [
                 self.ser2net_bin,
                 "-d",