Bump tinytuya to 1.18.1

A fix to increase header length to allow for some remote learn
commands may help some devices.

custom_components/tuya_local/manifest.json

@@ -15,7 +15,7 @@
         "tinytuya"
     ],
     "requirements": [
-        "tinytuya==1.18.0",
+        "tinytuya==1.18.1",
         "tuya-device-sharing-sdk~=0.2.4"
     ],
     "version": "2026.5.5"

pyproject.toml

@@ -8,7 +8,7 @@ description = "A Home Assistant integration for local control of Tuya devices."
 version = "0.0.0"
 requires-python = ">=3.14.2"
 dependencies = [
-  "tinytuya~=1.18.0",
+  "tinytuya~=1.18.1",
   "tuya-device-sharing-sdk~=0.2.4"
 ]
 readme = "README.md"