Update Security String to 2023-02-01 am: b601ce96db am: 445dfdc147

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/+/20665910

Change-Id: I7e967462a1110696405c7ebd69d2faf624b5ef7e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index f47c54e..5537b67 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 := 2023-01-01
+      PLATFORM_SECURITY_PATCH := 2023-02-01
 endif
 .KATI_READONLY := PLATFORM_SECURITY_PATCH