release: bump version to 1.14.3

Bump version to 1.14.3.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>

VERSION

diff --git a/VERSION b/VERSION
index d67b3dc..9223aca 100644
--- a/VERSION
+++ b/VERSION
@@ -2,4 +2,4 @@
 VERSION_MINOR = 14
 PATCHLEVEL = 3
 VERSION_TWEAK = 0
-EXTRAVERSION = rc2
+EXTRAVERSION =