Version bump to UP1A.230316.003.A1 [core/build_id.mk]

Change-Id: I557963185cb90ce943f98d1ed12fa582ca4372c8
diff --git a/core/build_id.mk b/core/build_id.mk
index 54b37f0..bde9fcf 100644
--- a/core/build_id.mk
+++ b/core/build_id.mk
@@ -18,4 +18,4 @@
 # (like "CRB01").  It must be a single word, and is
 # capitalized by convention.
 
-BUILD_ID=UP1A.230316.003
+BUILD_ID=UP1A.230316.003.A1