For openSUSE Factory run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:jsegitz:branches:security:SELinux_enforcing_default/openSUSE_Factory/home:jsegitz:branches:security:SELinux_enforcing_default.repo
zypper refresh
zypper install selinux-policy
For 15.7 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:jsegitz:branches:security:SELinux_enforcing_default/15.7/home:jsegitz:branches:security:SELinux_enforcing_default.repo
zypper refresh
zypper install selinux-policy
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:jsegitz:branches:security:SELinux_enforcing_default/15.6/home:jsegitz:branches:security:SELinux_enforcing_default.repo
zypper refresh
zypper install selinux-policy