[ci skip] reduce resource limits per VPA recommendations

dashy: 4Gi→512Mi mem, 2→500m cpu (actual: 206Mi)
affine: 4Gi→512Mi mem, 2→1 cpu (actual: 186Mi)
rybbit clickhouse: 4Gi→2Gi mem, 2→1 cpu (actual: 618Mi)

stacks/affine/main.tf

@@ -159,12 +159,12 @@ resource "kubernetes_deployment" "affine" {
 
           resources {
             requests = {
-              memory = "512Mi"
-              cpu    = "100m"
+              memory = "256Mi"
+              cpu    = "50m"
             }
             limits = {
-              memory = "4Gi"
-              cpu    = "2"
+              memory = "512Mi"
+              cpu    = "1"
             }
           }
 

stacks/dashy/main.tf

@@ -68,11 +68,11 @@ resource "kubernetes_deployment" "dashy" {
           resources {
             requests = {
               cpu    = "50m"
-              memory = "512Mi"
+              memory = "128Mi"
             }
             limits = {
-              cpu    = "2"
-              memory = "4Gi"
+              cpu    = "500m"
+              memory = "512Mi"
             }
           }
           port {

stacks/rybbit/main.tf

@@ -110,8 +110,8 @@ resource "kubernetes_deployment" "clickhouse" {
               memory = "512Mi"
             }
             limits = {
-              cpu    = "2"
-              memory = "4Gi"
+              cpu    = "1"
+              memory = "2Gi"
             }
           }
         }