prometheus-snmp-exporter: 0.19.0 -> 0.20.0

pkgs/servers/monitoring/prometheus/snmp-exporter.nix

···
-{ lib, buildGoPackage, fetchFromGitHub, net-snmp, nixosTests }:
+{ lib, buildGoModule, fetchFromGitHub, net-snmp, nixosTests }:
 
-buildGoPackage rec {
+buildGoModule rec {
   pname = "snmp_exporter";
-  version = "0.19.0";
-
-  goPackagePath = "github.com/prometheus/snmp_exporter";
+  version = "0.20.0";
 
   src = fetchFromGitHub {
     owner = "prometheus";
     repo = "snmp_exporter";
     rev = "v${version}";
-    sha256 = "1ppi5lmc2lryawpw1b3kpg3qxr7v62zbiwg2v1d8sq1y5b2xdza6";
+    sha256 = "0qwbnx3l25460qbah4ik9mlcyrm31rwm51451gh0jprii80cf16x";
   };
+
+  vendorSha256 = "1rivil3hwk269ikrwc4i22k2y5c9zs5ac058y7llz8ivrrjr2w4h";
 
   buildInputs = [ net-snmp ];