sr.ht-nginx: upgrade to latest version

pushgateway: upgrade to 1.4.2

I've been sitting on this one for a bit.

Bump pkgrels on metrics packages

pushgateway: upgrade to 1.4.0

pushgateway: bump pkgrel

Upgrade pushgateway to 1.3.1

pushgateway: bump pkgrel

pushgateway: upgrade to 1.2.0

pushgateway: new aport