Display Valkey version on admin dashboard (#35785)

app/lib/admin/metrics/dimension/store_helper.rb

@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+module Admin::Metrics::Dimension::StoreHelper
+  include Redisable
+
+  private
+
+  def store_name
+    return 'Valkey' if redis_info.key?('valkey_version')
+    return 'Dragonfly' if redis_info.key?('dragonfly_version')
+
+    'Redis'
+  end
+
+  def store_version
+    redis_info['valkey_version'] || redis_info['dragonfly_version'] || redis_info['redis_version']
+  end
+
+  def store_size
+    redis_info['used_memory']
+  end
+
+  def redis_info
+    @redis_info ||= redis.info
+  end
+end