Don't invoke sharding in benchmarks yet

Author: ZacSweers

benchmark/generate-projects.main.kts

@@ -935,7 +935,8 @@ application {
 
 metro {
   // reportsDestination.set(layout.buildDirectory.dir("metro"))
-  enableGraphSharding.set($enableSharding)
+  // TODO re-enable when we can target Metro 0.8.3+
+  // enableGraphSharding.set($enableSharding)
   interop {
     includeJavax()
     includeAnvilForDagger()