Pull Request validation tests

remove ruby-2.7 from verifypipeline

Passed in 5m 8s
:pipeline:expeditor buildkite trigger-pipeline .expeditor/verify.pipeline.yml
Waited 1s
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Ran in 10s
run-lint-and-specs-ruby-3.0.expeditor/run_linux_tests.sh rake
Waited 26s
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Ran in 4m 31s
run-lint-and-specs-ruby-3.1.expeditor/run_linux_tests.sh rake
Waited 26s
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Ran in 4m 34s
Total Job Run Time: 9m 15s