common/python: bump version to 0.4.0

Signed-off-by: Xiaocheng Dong <[email protected]>

Author: dongx1x

common/python/pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "cctrusted_base"
-version = "0.3.1"
+version = "0.4.0"
 authors = [
   { name="Lu, Ken", email="[email protected]" },
   { name="Zhang, Wenhui", email="[email protected]" },