[cta-admin] Renames cta to cta.deprecated in cta.spec.in

cta.spec.in

@@ -177,7 +177,7 @@ CERN Tape Archive:
 The xroot plugin
 %files -n cta-cli
 %defattr(-,root,root)
-%attr(0755,root,root) %{_bindir}/cta
+%attr(0755,root,root) %{_bindir}/cta.deprecated
 %attr(0755,root,root) %{_bindir}/cta-admin
 %attr(0755,root,root) %{_bindir}/eoscta_stub
 %attr(0644,root,root) %config(noreplace) %{_sysconfdir}/cta/cta-cli.conf