Bump modbus-connection to 4.12.1 (#182181)

Co-authored-by: Claude <noreply@anthropic.com>

homeassistant/components/modbus/manifest.json

@@ -7,7 +7,7 @@
   "loggers": ["pymodbus"],
   "requirements": [
     "pymodbus==3.13.1",
-    "modbus-connection[tmodbus]==4.12.0",
+    "modbus-connection[tmodbus]==4.12.1",
     "tmodbus==0.6.2"
   ]
 }

requirements_all.txt

@@ -1641,7 +1641,7 @@ mitsubishi-comfort==0.5.2
 moat-ble==0.1.1
 
 # homeassistant.components.modbus
-modbus-connection[tmodbus]==4.12.0
+modbus-connection[tmodbus]==4.12.1
 
 # homeassistant.components.moehlenhoff_alpha2
 moehlenhoff-alpha2==1.4.0