Bump version on the RPM .spec file

We have to remember to bump this when we bump the configure.ac versions.
diff --git a/tools/package/trafficserver.spec b/tools/package/trafficserver.spec
index 69a00d8..c02f31d 100755
--- a/tools/package/trafficserver.spec
+++ b/tools/package/trafficserver.spec
@@ -26,7 +26,7 @@
 
 Summary:	Apache Traffic Server, a reverse, forward and transparent HTTP proxy cache
 Name:		trafficserver
-Version:	8.0.2
+Version:	8.0.3
 Release:	%{release}%{?dist}
 License:	Apache Software License 2.0 (AL2)
 Group:		System Environment/Daemons