v5.0.9

Octopus 15.2.10

Changelog:
645e5a3 Revert "gperftools: install from epel-testing"
37cf816 daemon-base: install python3-scikit-learn on el8
ddd9d3a centos-arm64: fix gperftools libs file
1174659 gperftools: install from epel-testing for ceph octopus
207ac30 tests: increase reruns and reruns delay in pytest