deps: update celery and kombu to 5.3.0a1

Author: pmrowla

setup.cfg

@@ -24,8 +24,8 @@ package_dir=
     =src
 packages = find:
 install_requires=
-    kombu@git+https://github.com/celery/kombu.git@0282e1419fad98da5ae956ff38c7e87e539889ac
-    celery>=5.2.3,<6
+    kombu>=5.3.0a1
+    celery>=5.3.0a1,<6
     funcy>=1.17
     shortuuid>=1.0.8
     pywin32>=225; sys_platform == 'win32'