pyproject: update bleak to v0.20.2

This pull in a fix to retry on InProgress error on Linux.

Author: dlech

poetry.lock

@@ -31,7 +31,7 @@ pybricksdev = 'pybricksdev.cli:main'
 aioserial = "^1.3.0"
 argcomplete = "^1.11.1"
 asyncssh = "^2.2.1"
-bleak = "^0.20.0"
+bleak = "^0.20.2"
 mpy-cross-v5 = "^1.0.0"
 python = ">=3.8,<3.12"
 tqdm = "^4.62.3"