Update Security String to 2023-02-01 am: b601ce96db am: 445dfdc147 am: 6b05071cb3 am: 23dae41cbc

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

Change-Id: I980866984561c3daa4d31ffa91d743ccb6abae13
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 a8f6e65..e2e062a 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