Add `uefi` os constraint

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:pipeline:curl -sS "https://raw.githubusercontent.com/bazelbuild/continuous-integration/master/buildkite/bazelci.py?$(date +%s)" -o bazelci.py && python3.6 bazelci.py project_pipeline | tee /dev/tty | buildkite-agent pipeline upload
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🚨 Emergency 🚨buildkite-agent annotate --append --style=error --context "omg" "<span class="h1">:rotating_light: Emergency :rotating_light:</span> && - We've migrated most of our MacOS workers to VMs. Please reply to the linked issue if you encounter any problems. && - Please check this <a href="https://github.com/bazelbuild/continuous-integration/issues/1981">issue</a> for more details. && "
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:ubuntu: Ubuntu 20.04 LTScurl -sS https://raw.githubusercontent.com/bazelbuild/continuous-integration/master/buildkite/bazelci.py?1720857823 -o bazelci.py && python3.8 bazelci.py runner --task=ubuntu
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:mac: macOScurl -sS https://raw.githubusercontent.com/bazelbuild/continuous-integration/master/buildkite/bazelci.py?1720857823 -o bazelci.py && python3 bazelci.py runner --task=macos
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:mac: macOS arm64curl -sS https://raw.githubusercontent.com/bazelbuild/continuous-integration/master/buildkite/bazelci.py?1720857823 -o bazelci.py && python3 bazelci.py runner --task=macos_arm64
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:windows: Windowscurl -sS https://raw.githubusercontent.com/bazelbuild/continuous-integration/master/buildkite/bazelci.py?1720857823 -o bazelci.py && python.exe bazelci.py runner --task=windows
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Total Job Run Time: 2m 48s