Include user-agent for faas-cli invoke, use Go 1.22 and Alpine 3.20.0

Changelog for 0.16.29:

Commits
f8c3e0f Update to Go 1.22 and Alpine 3.20.0 by @alexellis
eb5ba77 Update openfaas dependencies by @alexellis
50e6ca8 Include user-agent for faas-cli invoke by @alexellis
7eaa545 Allow --platforms for faas-cli publish by @alexellis

Changes: 0.16.28...0.16.29

Generated by Derek