[spec] Add Recommends %{_bindir}/sqlite3 for bash-completion for Fedora

#1817 added the ability to utilize sqlite cache when available.
https://discussion.fedoraproject.org/t/why-bash-auto-completion-is-so-slow-with-dnf/88944
and https://discussion.fedoraproject.org/t/dnf-autocompletion-is-too-slow/64038
Are users noting that bash completion is slow without sqlite installed.

= changelog =
msg:   [spec] Add Recommends %{_bindir}/sqlite3 for bash-completion for Fedora
type:  enhancement
related: #1817
related: https://discussion.fedoraproject.org/t/why-bash-auto-completion-is-so-slow-with-dnf/88944
related: https://discussion.fedoraproject.org/t/dnf-autocompletion-is-too-slow/64038

dnf.spec

@@ -85,6 +85,8 @@ Requires: python3-%{name} = %{version}-%{release}
 %if 0%{?rhel} && 0%{?rhel} <= 7
 Requires: python-dbus
 Requires: %{_bindir}/sqlite3
+%elif 0%{?fedora}
+Recommends: (%{_bindir}/sqlite3 if (bash-completion and python3-dnf-plugins-core))
 %else
 Recommends: (python3-dbus if NetworkManager)
 %endif