upgrade immich to v2.7.4 and increase rate limit burst

- Immich version: v2.7.3 → v2.7.4
- Immich rate limit: avg 200→500, burst 2000→5000 (both traefik and platform stacks)

stacks/immich/main.tf

@@ -15,7 +15,7 @@ locals {
 variable "immich_version" {
   type = string
   # Change me to upgrade
-  default = "v2.7.3"
+  default = "v2.7.4"
 }
 variable "nfs_server" { type = string }
 variable "redis_host" { type = string }

stacks/platform/modules/traefik/middleware.tf

@@ -240,8 +240,8 @@ resource "kubernetes_manifest" "middleware_immich_rate_limit" {
     }
     spec = {
       rateLimit = {
-        average = 100
-        burst   = 1000
+        average = 500
+        burst   = 5000
       }
     }
   }

stacks/traefik/modules/traefik/middleware.tf

@@ -244,8 +244,8 @@ resource "kubernetes_manifest" "middleware_immich_rate_limit" {
     }
     spec = {
       rateLimit = {
-        average = 200
-        burst   = 2000
+        average = 500
+        burst   = 5000
       }
     }
   }