docs: update event bus architecture doc to include event_bus_redis

Also update its status to `Accepted`.

oeps/architectural-decisions/oep-0052-arch-event-bus-architecture.rst

@@ -11,13 +11,13 @@ OEP-52: Event Bus Architecture
    * - Title
      - Event Bus Architecture
    * - Last Modified
-     - 2022-07-11
+     - 2023-05-12
    * - Authors
      - Feanil Patel <[email protected]>, Robert Raposa <[email protected]>
    * - Arbiter
      - Tobias Macey <[email protected]>
    * - Status
-     - Provisional
+     - Accepted
    * - Type
      - Architecture
    * - Created
@@ -77,6 +77,10 @@ Decision
   * See edx.org `ADR on Kafka Managed Hosting`_ if considering Kafka hosting options.
   * See edx.org `ADR on Managing Kafka Consumers`_ if exploring how to deploy consumers for Kafka.
 
+* A secondary implementation is being implemented using Redis streams.
+
+  * see edx.org `ADR on Redis streams Event Bus`_.
+
 * Event bus events will further extend the Hooks Extension Framework events, and use an Avro schema to serialize the existing hooks signals.
 
   * See `ADR on External event bus and Django Signal events`_ to learn more about how the ``OpenEdxPublicSignal`` internal event will be used to send the same internal signal-based events across services, and then fire the signal-based events again within consuming services.
@@ -86,6 +90,8 @@ Decision
 .. _ADR on Kafka Managed Hosting: https://github.com/openedx/event-bus-kafka/blob/main/docs/decisions/0004-kafka-managed-hosting.rst
 .. _ADR on Managing Kafka Consumers: https://github.com/openedx/event-bus-kafka/blob/main/docs/decisions/0003-managing-kafka-consumers.rst
 
+.. _ADR on Redis streams Event Bus: https://github.com/openedx/event-bus-redis/blob/main/docs/decisions/0002-redis-streams-based-event-bus.rst
+
 .. _ADR on External event bus and Django Signal events: https://openedx-events.readthedocs.io/en/latest/decisions/0004-external-event-bus-and-django-signal-events.html
 .. _ADR on External Event Schema Format: https://openedx-events.readthedocs.io/en/latest/decisions/0005-external-event-schema-format.html
 .. _ADR on Event Schema Serialization and Evolution: https://openedx-events.readthedocs.io/en/latest/decisions/0006-event-schema-serialization-and-evolution.html
@@ -102,6 +108,12 @@ Consequences
 Change History
 **************
 
+2023-05-12
+==========
+
+* Added link to event_bus_redis implementation ADR.
+* Updated status
+
 2022-11-29
 ==========