chore: bump version to 0.5.45-beta6 [skip ci]

Author: github-actions[bot]

custom_components/mammotion/manifest.json

@@ -1,7 +1,7 @@
 {
   "domain": "mammotion",
   "name": "Mammotion",
-  "version": "0.5.45",
+  "version": "0.5.45-beta6",
   "issue_tracker": "https://github.com/mikey0000/Mammotion-HA/issues",
   "integration_type": "device",
   "bluetooth": [

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "mammotion-ha"
-version = "0.5.45"
+version = "0.5.45-beta6"
 description = "Mammotion integration for HACS"
 authors = [
     {name = "Michael Arthur", email = "michael@jumblesoft.co.nz"},