versions: Bump to Arcadia v15.3 Release

Change-Id: Ibaf3f165fe194da7ee52689abad07b8275d0307a
diff --git a/config/versions.mk b/config/versions.mk
index b3382cd..f46c99f 100644
--- a/config/versions.mk
+++ b/config/versions.mk
@@ -1,7 +1,7 @@
 # Versioning System For Bliss
 # Bliss RELEASE VERSION
 BLISS_VERSION_MAJOR = 15
-BLISS_VERSION_MINOR = 2
+BLISS_VERSION_MINOR = 3
 BLISS_CODENAME = Arcadia
 #BLISS_VERSION_MAINTENANCE = Beta