Update Security String to 2023-04-05

Bug: 268558932
Change-Id: I5e3d5a90a927f9f4ddd6708c3bbadc89c8821075
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 208e1e6..38d0510 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -103,7 +103,7 @@
     #  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 := 2023-03-05
+    PLATFORM_SECURITY_PATCH := 2023-04-05
 endif
 
 include $(BUILD_SYSTEM)/version_util.mk