Undo Windows Bun baseline target #6653

Job	Run time
build-and-check	3m 5s
test-integration-packages/billing	1m 15s
test-integration-packages/internal	1m 7s
test-integration-common	53s
test-integration-web	41s
test-integration-sdk	1m 23s
test-integration-packages/agent-runtime	49s
test-packages/billing	51s
test-cli	1m 1s
test-packages/internal	55s
test-common	43s
test-web	53s
test-packages/agent-runtime	47s
test-integration-cli	44s
test-sdk	52s
test-.agents	52s
	16m 51s

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