Update Version to reflect 9.x

Author: bartTC

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [project]
 name = "qrcode"
-version = "8.2"
+version = "9.0a0"
 description = "QR Code image generator"
 authors = [
   { name = "Lincoln Loop", email = "[email protected]" },