fail to download rules_proto

[hawkingrei]

Bug Report

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1. Minimal reproduce step (Required)

2. What did you expect to see? (Required)

3. What did you see instead (Required)

WARNING: Download from https://github.com/bazelbuild/rules_proto/archive/40298556293ae502c66579620a7ce867d5f57311.tar.gz failed: class java.io.IOException GET returned 503 Service Unavailable

ERROR: An error occurred during the fetch of repository 'rules_proto':

   Traceback (most recent call last):

	File "/home/jenkins/.tidb/tmp/c81bba9845037d26d5cccd5f3ccb189e/external/bazel_tools/tools/build_defs/repo/http.bzl", line 132, column 45, in _http_archive_impl

		download_info = ctx.download_and_extract(

Error in download_and_extract: java.io.IOException: Error downloading [https://github.com/bazelbuild/rules_proto/archive/40298556293ae502c66579620a7ce867d5f57311.tar.gz] to /home/jenkins/.tidb/tmp/c81bba9845037d26d5cccd5f3ccb189e/external/rules_proto/temp5133191737320341139/40298556293ae502c66579620a7ce867d5f57311.tar.gz: GET returned 503 Service Unavailable

ERROR: /home/jenkins/agent/workspace/pingcap/tidb/ghpr_build/tidb/WORKSPACE:90:14: fetching http_archive rule //external:rules_proto: Traceback (most recent call last):

	File "/home/jenkins/.tidb/tmp/c81bba9845037d26d5cccd5f3ccb189e/external/bazel_tools/tools/build_defs/repo/http.bzl", line 132, column 45, in _http_archive_impl

		download_info = ctx.download_and_extract(

Error in download_and_extract: java.io.IOException: Error downloading [https://github.com/bazelbuild/rules_proto/archive/40298556293ae502c66579620a7ce867d5f57311.tar.gz] to /home/jenkins/.tidb/tmp/c81bba9845037d26d5cccd5f3ccb189e/external/rules_proto/temp5133191737320341139/40298556293ae502c66579620a7ce867d5f57311.tar.gz: GET returned 503 Service Unavailable

ERROR: /home/jenkins/.tidb/tmp/c81bba9845037d26d5cccd5f3ccb189e/external/com_github_grpc_ecosystem_grpc_gateway/runtime/BUILD.bazel:5:11: @com_github_grpc_ecosystem_grpc_gateway//runtime:go_default_library depends on @com_github_grpc_ecosystem_grpc_gateway//internal:go_default_library in repository @com_github_grpc_ecosystem_grpc_gateway which failed to fetch. no such package '@rules_proto//proto': java.io.IOException: Error downloading [https://github.com/bazelbuild/rules_proto/archive/40298556293ae502c66579620a7ce867d5f57311.tar.gz] to /home/jenkins/.tidb/tmp/c81bba9845037d26d5cccd5f3ccb189e/external/rules_proto/temp5133191737320341139/40298556293ae502c66579620a7ce867d5f57311.tar.gz: GET returned 503 Service Unavailable

4. What is your TiDB version? (Required)