Bump links to 2-3 also (openzfs#440)

7ecad4c (Bump EL RPMs to ver 2-3, 2023-04-28) updated the
yum/dnf-install snippets.

Reviewed-by: Tony Hutter <[email protected]<

Author: quartsize

docs/Getting Started/RHEL-based distro/index.rst

@@ -175,7 +175,7 @@ Root on ZFS
 
 .. _kABI-tracking kmod: https://elrepoproject.blogspot.com/2016/02/kabi-tracking-kmod-packages.html
 .. _DKMS: https://en.wikipedia.org/wiki/Dynamic_Kernel_Module_Support
-.. _EL7: https://zfsonlinux.org/epel/zfs-release-2-2.el7.noarch.rpm
-.. _EL8: https://zfsonlinux.org/epel/zfs-release-2-2.el8.noarch.rpm
-.. _EL9: https://zfsonlinux.org/epel/zfs-release-2-2.el9.noarch.rpm
+.. _EL7: https://zfsonlinux.org/epel/zfs-release-2-3.el7.noarch.rpm
+.. _EL8: https://zfsonlinux.org/epel/zfs-release-2-3.el8.noarch.rpm
+.. _EL9: https://zfsonlinux.org/epel/zfs-release-2-3.el9.noarch.rpm
 .. _EPEL repository: https://fedoraproject.org/wiki/EPEL