Merge pull request ethereum#19029 from holiman/update1.8

Update1.8

params, swarm/version: Geth 1.8.22-stable, Swarm 0.3.10-stable

params, swarm: release Geth v1.8.21 and Swarm v0.3.9

params, swarm: release Geth v1.8.20 and Swarm v0.3.8

params, swarm: release Geth v1.8.19 and Swarm v0.3.7

params, swarm: release Geth v1.8.18 and Swarm v0.3.6

params, swarm: release Geth v1.8.17 and Swar v0.3.5

params, swarm: release Geth v1.8.16, Swarm v0.3.4

params, swarm: release geth v1.8.15 and swarm 0.3.3

params, swarm: release Geth v1.8.14 and Swarm v0.3.2