Change rate limits to 1,500/5m per user, 300/5m per app (#23347)

config/initializers/rack_attack.rb

@@ -33,6 +33,10 @@ class Rack::Attack
       authenticated_token&.resource_owner_id
     end
 
+    def authenticated_token_id
+      authenticated_token&.id
+    end
+
     def unauthenticated?
       !authenticated_user_id
     end
@@ -62,10 +66,14 @@ class Rack::Attack
     IpBlock.blocked?(req.remote_ip)
   end
 
-  throttle('throttle_authenticated_api', limit: 300, period: 5.minutes) do |req|
+  throttle('throttle_authenticated_api', limit: 1_500, period: 5.minutes) do |req|
     req.authenticated_user_id if req.api_request?
   end
 
+  throttle('throttle_per_token_api', limit: 300, period: 5.minutes) do |req|
+    req.authenticated_token_id if req.api_request?
+  end
+
   throttle('throttle_unauthenticated_api', limit: 300, period: 5.minutes) do |req|
     req.throttleable_remote_ip if req.api_request? && req.unauthenticated?
   end