Low: dnsmasq security, bug fix, and enhancement update (Oracle Linux 8)

[2.79-11]
- Support multiple static leases for single mac on IPv6 (#1779187)

[2.79-10]
- Fix memory leak in helper.c (#1795370)

[2.79-9]
- Fix replies to non-recursive queries (#1700916)

[2.79-8]
- Fix dhcp_lease_time (#1746411)

[2.79-7]
- Fix TCP queries after interface recreation (#1728698)