expose SlavedProfileStore to ClientReaderSlavedStore (#5200)

* expose SlavedProfileStore to ClientReaderSlavedStore

Author: neilisfragile

changelog.d/5200.bugfix

@@ -0,0 +1 @@
+Fix worker registration bug caused by ClientReaderSlavedStore being unable to see get_profileinfo.

synapse/app/client_reader.py

@@ -29,6 +29,7 @@
 from synapse.http.site import SynapseSite
 from synapse.metrics import RegistryProxy
 from synapse.metrics.resource import METRICS_PREFIX, MetricsResource
+from synapse.replication.slave.storage import SlavedProfileStore
 from synapse.replication.slave.storage._base import BaseSlavedStore
 from synapse.replication.slave.storage.account_data import SlavedAccountDataStore
 from synapse.replication.slave.storage.appservice import SlavedApplicationServiceStore
@@ -83,6 +84,7 @@ class ClientReaderSlavedStore(
     SlavedTransactionStore,
     SlavedClientIpStore,
     BaseSlavedStore,
+    SlavedProfileStore,
 ):
     pass