Fixed incorrect benchmark configuration for jooby-pgclient (#7800)

* Change jooby-pgclient platform to Undertow

The Dockerfile uses the Netty profile for jooby while config shows Undertow.

* Update config.toml

frameworks/Java/jooby/benchmark_config.json

@@ -104,7 +104,7 @@
       "framework": "Jooby",
       "language": "Java",
       "flavor": "None",
-      "platform": "Undertow",
+      "platform": "Netty",
       "database": "Postgres",
       "database_os": "Linux",
       "orm": "Raw",

frameworks/Java/jooby/config.toml

@@ -46,7 +46,7 @@ database = "Postgres"
 database_os = "Linux"
 os = "Linux"
 orm = "Raw"
-platform = "Undertow"
+platform = "Netty"
 webserver = "None"
 versus = "undertow"