sysutils/ipfs-go: Fix build

ipfs-go has a dependency "quic-go" which does not support go 1.18 yet.
Use go 1.17 for now.

PR: 263050
Reported by: jmg
Approved by: portmgr (implicit, build fix)

(cherry picked from commit 661c4c760599326c8ca273a1cfe945d553d1249a)