bazel: use rules_pkg from https://github.com/bazelbuild/

BUILD:85:1: in _pkg_deb rule //runsc:runsc-debian: target
'//runsc:runsc-debian' depends on deprecated target
'@bazel_tools//tools/build_defs/pkg:make_deb': The internal version of
make_deb is deprecated. Please use the replacement for pkg_deb from
https://github.com/bazelbuild/rules_pkg/blob/master/pkg.
PiperOrigin-RevId: 271590386

WORKSPACE

@@ -75,6 +75,16 @@ load("@bazel_toolchains//rules:rbe_repo.bzl", "rbe_autoconfig")
 
 rbe_autoconfig(name = "rbe_default")
 
+http_archive(
+    name = "rules_pkg",
+    sha256 = "5bdc04987af79bd27bc5b00fe30f59a858f77ffa0bd2d8143d5b31ad8b1bd71c",
+    url = "https://github.com/bazelbuild/rules_pkg/releases/download/0.2.0/rules_pkg-0.2.0.tar.gz",
+)
+
+load("@rules_pkg//:deps.bzl", "rules_pkg_dependencies")
+
+rules_pkg_dependencies()
+
 # External repositories, in sorted order.
 go_repository(
     name = "com_github_cenkalti_backoff",

runsc/BUILD

@@ -1,7 +1,7 @@
 package(licenses = ["notice"])  # Apache 2.0
 
 load("@io_bazel_rules_go//go:def.bzl", "go_binary")
-load("@bazel_tools//tools/build_defs/pkg:pkg.bzl", "pkg_deb", "pkg_tar")
+load("@rules_pkg//:pkg.bzl", "pkg_deb", "pkg_tar")
 
 go_binary(
     name = "runsc",