chore: Added uvicorn-worker dependency

[tmihalac]

What this PR does / why we need it:

Removes the deprecation warning: for uvicorn.workers.
The uvicorn.workers module is deprecated, they refer using uvicorn-worker package instead.

Which issue(s) this PR fixes:

Fixes #4638

[franciscojavierarceo]

@dmartinol @redhatHameed it appears that one of the tests here is flaky:

FAILED sdk/python/tests/integration/online_store/test_remote_online_store.py::test_remote_online_store_read[\nauth:\n type: no_auth\n] - TimeoutError: Unable to start the feast server in 60 seconds for remote online store type, port=42745
FAILED sdk/python/tests/integration/online_store/test_remote_online_store.py::test_remote_online_store_read[\nauth:\n type: oidc\n client_id: feast-integration-client\n client_secret: feast-integration-client-secret\n username: reader_writer\n password: password\n auth_discovery_url: KEYCLOAK_URL_PLACE_HOLDER/realms/master/.well-known/openid-configuration\n] - TimeoutError: Unable to start the feast server in 60 seconds for remote online store type, port=46341

[tmihalac]

@dmartinol @redhatHameed it appears that one of the tests here is flaky:

FAILED sdk/python/tests/integration/online_store/test_remote_online_store.py::test_remote_online_store_read[\nauth:\n type: no_auth\n] - TimeoutError: Unable to start the feast server in 60 seconds for remote online store type, port=42745
FAILED sdk/python/tests/integration/online_store/test_remote_online_store.py::test_remote_online_store_read[\nauth:\n type: oidc\n client_id: feast-integration-client\n client_secret: feast-integration-client-secret\n username: reader_writer\n password: password\n auth_discovery_url: KEYCLOAK_URL_PLACE_HOLDER/realms/master/.well-known/openid-configuration\n] - TimeoutError: Unable to start the feast server in 60 seconds for remote online store type, port=46341

Not sure that is the only issue, updated the PR

[dmartinol]

@dmartinol @redhatHameed it appears that one of the tests here is flaky:

Can this be related to #4658?

[franciscojavierarceo]

lgtm!