Update launch.json to modify memory-gc strategy and comment out upstream server configuration

- Changed memory-gc strategy from 'lfu' to 'lru' for improved cache management.
- Commented out the upstream server configuration to prevent potential connectivity issues during development.

.vscode/launch.json

@@ -56,11 +56,11 @@
                 "--memory",
                 "1G",
                 "--memory-gc",
-                "lfu",
+                "lru",
                 "--log-level",
                 "debug",
-                "--upstream",
+                // "--upstream",
-                "http://192.168.2.5:80",
+                // "http://192.168.2.5:80",
             ],
         }
     ]