chore(deps): update mendhak/http-https-echo docker tag to v38

Author: renovate[bot]

kubernetes-services/additions/http-echo-server/deployment.yaml

@@ -16,7 +16,7 @@ spec:
         app: http-echo-server
     spec:
       containers:
-        - image: mendhak/http-https-echo:37
+        - image: mendhak/http-https-echo:38
           name: http-echo-server
           ports:
             - containerPort: 8443