Update one more reference to rules_nodejs defs.bzl that I missed.

Now it is green when consumed downstream.

PiperOrigin-RevId: 276556510
diff --git a/internal/ts_repositories.bzl b/internal/ts_repositories.bzl
index 929db7d..90a1c1a 100644
--- a/internal/ts_repositories.bzl
+++ b/internal/ts_repositories.bzl
@@ -20,7 +20,7 @@
 load("@bazel_gazelle//:deps.bzl", "go_repository")
 
 # END-DEV-ONLY
-load("@build_bazel_rules_nodejs//:defs.bzl", "check_bazel_version", "check_rules_nodejs_version")
+load("@build_bazel_rules_nodejs//:index.bzl", "check_bazel_version", "check_rules_nodejs_version")
 
 def ts_setup_workspace():
     """This repository rule should be called from your WORKSPACE file.