Upgrade to release 4.15.1:
- Implemented a compatibility fix for supporting direct access of
anyio.* submodules from the main package even when those
submodules were not directly imported first.
Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>
Signed-off-by: Khem Raj <khem.raj@oss.qualcomm.com>
