stress-ng from benchmark project

For openSUSE Tumbleweed run the following as root:

zypper addrepo https://download.opensuse.org/repositories/benchmark/openSUSE_Tumbleweed/benchmark.repo
zypper refresh
zypper install stress-ng

For openSUSE Slowroll run the following as root:

zypper addrepo https://download.opensuse.org/repositories/benchmark/openSUSE_Slowroll/benchmark.repo
zypper refresh
zypper install stress-ng

For openSUSE Factory run the following as root:

zypper addrepo https://download.opensuse.org/repositories/benchmark/openSUSE_Factory/benchmark.repo
zypper refresh
zypper install stress-ng

For 15.6 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/benchmark/15.6/benchmark.repo
zypper refresh
zypper install stress-ng

For SLE 15 SP5 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/benchmark/SLE_15_SP5/benchmark.repo
zypper refresh
zypper install stress-ng