Update Calls openapi spec (#21170)

Add correlationId queryparam for sessions/new

Author: astroza

public/calls/static/calls-api-2024-05-21.yaml

@@ -27,6 +27,11 @@ paths:
           schema:
             type: boolean
           description: Session is intended to connect to an ICE-lite peer like a third party SFU/server
+        - in: query
+          name: correlationId
+          schema:
+            type: string
+          description: Associate session to an user-provided correlation id
       responses:
         "201":
           description: Created