noip2 from home:wrosenauer project

For 15.5 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:wrosenauer/15.5/home:wrosenauer.repo
zypper refresh
zypper install noip2

For 15.4 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:wrosenauer/15.4/home:wrosenauer.repo
zypper refresh
zypper install noip2

For openSUSE Leap 15.3 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:wrosenauer/openSUSE_Leap_15.3/home:wrosenauer.repo
zypper refresh
zypper install noip2