Improved RabbitMQ handling

- Switched to async because it offers easy automatic reconnect features on connection failure
- Adjusted notification path to reflect that change
- Added in memory message queue if RMQ is not reachable

requirements.txt

@@ -1,15 +1,19 @@
+aio-pika==9.5.7
+aiormq==6.9.0
 annotated-types==0.7.0
 anyio==4.11.0
 argon2-cffi==25.1.0
 argon2-cffi-bindings==25.1.0
 cffi==2.0.0
 click==8.3.0
-fastapi==0.118.0
+fastapi==0.119.0
 h11==0.16.0
-idna==3.10
+idna==3.11
+multidict==6.7.0
 mysql-connector-python==9.4.0
-pika==1.3.2
+pamqp==3.3.0
 prometheus_client==0.23.1
+propcache==0.4.1
 pycparser==2.23
 pydantic==2.12.0
 pydantic_core==2.41.1
@@ -18,3 +22,4 @@ starlette==0.48.0
 typing-inspection==0.4.2
 typing_extensions==4.15.0
 uvicorn==0.37.0
+yarl==1.22.0