pw_assert_basic: Fix bazel build

A build breakage snuck in while we're not running bazel tests in CQ.
Tested by building the target locally.

Change-Id: I613f21355742ec64f26a8433305c842d71abd00a
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/97481
Pigweed-Auto-Submit: Ted Pudlik <tpudlik@google.com>
Commit-Queue: Auto-Submit <auto-submit@pigweed.google.com.iam.gserviceaccount.com>
Reviewed-by: Wyatt Hepler <hepler@google.com>
diff --git a/pw_assert_basic/BUILD.bazel b/pw_assert_basic/BUILD.bazel
index 2ec07f1..7308a58 100644
--- a/pw_assert_basic/BUILD.bazel
+++ b/pw_assert_basic/BUILD.bazel
@@ -68,7 +68,7 @@
         ":handler_facade",
         ":headers",
         "//pw_preprocessor",
-        "//pw_string:string_builder",
+        "//pw_string:builder",
         "//pw_sys_io",
     ],
 )