Run Bazel test suite on Linux ARM64 platform

[8.2.0] Support --experimental_run_in_user_cgroup in the C++ client. (#25319) (#25321)

Failed in 56s
:ubuntu: Ubuntu 20.04 LTS ARM64curl -sS https://raw.githubusercontent.com/bazelbuild/continuous-integration/master/buildkite/bazelci.py?1740015440 -o bazelci.py && python3.8 bazelci.py runner --task=ubuntu2004_arm64 --http_config=https://raw.githubusercontent.com/bazelbuild/continuous-integration/master/pipelines/bazel-linux-arm64.yml?1740015439
Waited 4s
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Ran in 17s
Total Job Run Time: 53s