tweak: min 30 alive players for lone op (#238) #595

Job	Run time
Collect data for other tasks	13s
Run Linters	2m 16s
Compile Maps	2m 22s
Windows Build	1m 50s
Integration Tests (birdshot) / run_integration_tests	8m 47s
Integration Tests (deltastation) / run_integration_tests	8m 49s
Integration Tests (gateway_test) / run_integration_tests	9m 28s
Integration Tests (icebox) / run_integration_tests	9m 19s
Integration Tests (metastation) / run_integration_tests	8m 28s
Integration Tests (multiz_debug) / run_integration_tests	7m 56s
Integration Tests (northstar) / run_integration_tests	9m 35s
Integration Tests (tramstation) / run_integration_tests	9m 8s
Integration Tests (runtimestation) / run_integration_tests	7m 32s
Alternate Tests (515, 1627, runtimestation) / run_integration_tests	7m 43s
Check Alternate Tests	1s
Compare Screenshot Tests	15s
	1h 33m 42s

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