Update dependency io_bazel_rules_go to v0.20.2

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
io_bazel_rules_go	http_archive	patch	v0.20.1 -> v0.20.2

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Release Notes

bazelbuild/rules_go

v0.20.2

Compare Source

New Go versions

Go 1.12.10, 1.12.11, 1.13.2, and 1.13.3 are now supported.

WORKSPACE code

load("@​bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")

http_archive(
    name = "io_bazel_rules_go",
    urls = [
        "https://storage.googleapis.com/bazel-mirror/github.com/bazelbuild/rules_go/releases/download/v0.20.2/rules_go-v0.20.2.tar.gz",
        "https://github.com/bazelbuild/rules_go/releases/download/v0.20.2/rules_go-v0.20.2.tar.gz",
    ],
    sha256 = "b9aa86ec08a292b97ec4591cf578e020b35f98e12173bbd4a921f84f583aebd9",
)

load("@​io_bazel_rules_go//go:deps.bzl", "go_rules_dependencies", "go_register_toolchains")

go_rules_dependencies()

go_register_toolchains()

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[rbe-toolchains-pr-bot]

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