Add missing provide postgresqlVERSION-decoderbufs for the default stream

It should be there to be consistent across all streams of the component
Resolves: RHEL-56720

postgresql16-decoderbufs.spec

@@ -6,7 +6,7 @@
 
 Name:		postgresql%{pgversion}-decoderbufs
 Version:	1.9.7
-Release:	7%{?pre:.%pre}%{?dist}
+Release:	8%{?pre:.%pre}%{?dist}
 Summary:	PostgreSQL Protocol Buffers logical decoder plugin
 
 License:	MIT
@@ -35,6 +35,7 @@ Requires(pre): postgresql-server >= 16, postgresql-server < 17
 %global precise_version %{?epoch:%epoch:}%version-%release
 Provides: %{pkgname} = %precise_version
 %if %?postgresql_default
+Provides: %name = %precise_version
 Provides: postgresql-%{majorname} = %precise_version
 %endif
 Provides: %{pkgname}%{?_isa} = %precise_version
@@ -79,6 +80,9 @@ Just-in-time compilation support for %{majorname}.
 
 
 %changelog
+* Mon Sep 16 2024 Filip Janus <fjanus@redhat.com> - 1.9.7-8.Final
+- Add provide postgresqlVERSION-decoderbufs
+
 * Mon Jun 24 2024 Troy Dawson <tdawson@redhat.com> - 1.9.7-7.Final
 - Bump release for June 2024 mass rebuild