net-mgmt/pushgateway: Update to 1.7.0

[dutra]

Summary

Poudriere amd64: https://poudriere.nulldutra.me/data/latest-per-pkg/pushgateway/1.7.0/
Poudriere arm64: https://poudriere-arm64.nulldutra.me/data/latest-per-pkg/pushgateway/1.7.0/

Portlint:

looks fine.

Author: Gabriel M. Dutra <[e-mail]>
Date:   Wed Jan 31 23:58:09 2024 -0300

    net-mgmt/pushgateway: Update to 1.7.0

    ChangeLog:
    https://github.com/prometheus/pushgateway/releases/tag/v1.7.0

    Approved by:    dbaio(mentor), garga(mentor)
    Differential Revision:  https://reviews.freebsd.org/D43698

[dbaio]

Approved, but change the commit message.

Please explain why there are so many changes for a simple update in the commit log. Avoid leaving readers of the commit wondering about the reasons behind the changes.

Example:

net-mgmt/pushgateway: Update to 1.7.0

- Simplify port with GO_MODULE

ChangeLog:  https://github.com/prometheus/pushgateway/releases/tag/v1.7.0
...

Excellent work on simplifying the port.