[build] Bump rules_pkg to 0.5.1

Author: AutomatedTester

WORKSPACE

@@ -160,12 +160,14 @@ rules_closure_toolchains()
 
 http_archive(
     name = "rules_pkg",
-    sha256 = "038f1caa773a7e35b3663865ffb003169c6a71dc995e39bf4815792f385d837d",
     urls = [
-        "https://github.com/bazelbuild/rules_pkg/releases/download/0.4.0/rules_pkg-0.4.0.tar.gz",
-        "https://mirror.bazel.build/github.com/bazelbuild/rules_pkg/releases/download/0.4.0/rules_pkg-0.4.0.tar.gz",
+        "https://mirror.bazel.build/github.com/bazelbuild/rules_pkg/releases/download/0.5.1/rules_pkg-0.5.1.tar.gz",
+        "https://github.com/bazelbuild/rules_pkg/releases/download/0.5.1/rules_pkg-0.5.1.tar.gz",
     ],
+    sha256 = "a89e203d3cf264e564fcb96b6e06dd70bc0557356eb48400ce4b5d97c2c3720d",
 )
+load("@rules_pkg//:deps.bzl", "rules_pkg_dependencies")
+rules_pkg_dependencies()
 
 http_archive(
     name = "io_bazel_rules_docker",

py/BUILD.bazel

@@ -1,3 +1,4 @@
+load("@rules_pkg//:pkg.bzl", "pkg_tar")
 load("@rules_python//python:defs.bzl", "py_binary", "py_library")
 load("@rules_python//python:packaging.bzl", "py_package", "py_wheel")
 load("@dev_requirements//:requirements.bzl", "requirement")
@@ -104,6 +105,10 @@ py_package(
     deps = [":selenium"],
 )
 
+pkg_tar(
+
+)
+
 py_wheel(
     name = "selenium-wheel",
     classifiers = [