Update plugin_solax.py

Add new SolaX X1 Boost G3 serial numbers.

Add a new SolaX X1 Boost G3 serial numbers based  on the following specs:

Model: SolaX X1 Boost 3.0T  X1-3.0-T-D
S/N: XBU302XXXXXXXX
Model: SolaX X1 Boost 3.6T  X1-3.6-T-D
S/N: XBU3622XXXXXXXX

Author: niekwrg

custom_components/solax_modbus/plugin_solax.py

@@ -8526,6 +8526,9 @@ async def async_determineInverterType(self, hub, configdict):
         elif seriesnumber.startswith("XBE"):
             invertertype = MIC | GEN2 | X1  # X1-Boost
             self.inverter_model = "X1-Boost"
+        elif seriesnumber.startswith("XBU"):
+            invertertype = MIC | GEN2 | X1  # X1-Boost
+            self.inverter_model = "X1-Boost"
         elif seriesnumber.startswith("XAT"):
             invertertype = MIC | GEN2 | X1  # X1-Mini G3 #1340
             self.inverter_model = "X1-Mini"