[BAZEL CI] rules_go cgo:opts_test is failing with Bazel@HEAD

[sgowroji]

CI: https://buildkite.com/bazel/bazel-at-head-plus-downstream/builds/3856#018f7548-1b8b-44c4-9757-9625fcf89409

Platform: Ubuntu

Logs:

FAIL: �[0m//tests/core/cgo:opts_test 

Culprit:

Steps:

git clone https://github.com/bazelbuild/rules_go
git reset a54fd5674f7184fe6e483fb5aee065a314994081  --hard
export USE_BAZEL_VERSION=bf2f762f815cc5fd0a4310c66f1633e415177521
bazel test //... 

CC Greenteam @fweikert

[sgowroji]

Next CI run its green. Closing it has it is flaky.