[FIX] release ophyd-aysnc as alpha release

Author: hzb-ps

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "bact-bessyii-mls-ophyd"
-version = "0.4.0"
+version = "0.4.0a1"
 description = "Ophyd Devices Common for Bessy II and Metrology Light Source."
 authors = ["Pierre Schnizer", "Waheedullah Sulaiman Khail"]
 license = "GPL-3.0"