Update Security String to 2023-08-01

Bug: 285692955
Change-Id: Iec37a521c10365635950d6646f57153e7d3e3794
Merged-In: I137506c673d9f44789c26f88a416c0fd06df02ce
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index f7bb875..d14bd65 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -240,7 +240,7 @@
     #  It must be of the form "YYYY-MM-DD" on production devices.
     #  It must match one of the Android Security Patch Level strings of the Public Security Bulletins.
     #  If there is no $PLATFORM_SECURITY_PATCH set, keep it empty.
-    PLATFORM_SECURITY_PATCH := 2023-07-01
+    PLATFORM_SECURITY_PATCH := 2023-08-01
 endif
 .KATI_READONLY := PLATFORM_SECURITY_PATCH