pw_assert: Switch to the new header names

Bug: 350
Change-Id: Ia395cebedba24c9463e558059ebdb516759253e2
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/38740
Commit-Queue: Wyatt Hepler <hepler@google.com>
Reviewed-by: Keir Mierle <keir@google.com>
diff --git a/pw_kvs/public/pw_kvs/flash_memory.h b/pw_kvs/public/pw_kvs/flash_memory.h
index b767386..8fe6076 100644
--- a/pw_kvs/public/pw_kvs/flash_memory.h
+++ b/pw_kvs/public/pw_kvs/flash_memory.h
@@ -18,7 +18,7 @@
 #include <initializer_list>
 #include <span>
 
-#include "pw_assert/light.h"
+#include "pw_assert/assert.h"
 #include "pw_kvs/alignment.h"
 #include "pw_status/status.h"
 #include "pw_status/status_with_size.h"