Bump bellows from 0.40.5 to 0.40.6

Bumps [bellows](https://github.com/zigpy/bellows) from 0.40.5 to 0.40.6.
- [Release notes](https://github.com/zigpy/bellows/releases)
- [Commits](zigpy/bellows@0.40.5...0.40.6)

---
updated-dependencies:
- dependency-name: bellows
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

pyproject.toml

@@ -15,7 +15,7 @@ license = {text = "Apache-2.0"}
 requires-python = ">=3.12"
 dependencies = [
  "zigpy==0.66.0",
- "bellows==0.40.5",
+ "bellows==0.40.6",
  "zigpy-znp==0.12.4",
  "zigpy-deconz==0.23.3",
  "zigpy-xbee==0.20.2",