mark passenger repo as safe in rpm tests #279

Job	Run time
Apache2 tests on Linux	2m 15s
Apache2 tests on macOS	3m 45s
C++ tests on Linux	1m 20s
C++ tests on macOS	3m 47s
Homebrew packaging tests	7m 16s
Nginx tests on Linux	2m 14s
Nginx tests on macOS	3m 36s
Nginx dynamic module tests on Linux	1m 8s
Node.js tests on Linux	21s
Node.js tests on macOS	29s
Nginx dynamic module tests on macOS	1m 31s
Ruby tests on Linux	1m 11s
Source packaging tests	25s
Ruby tests on macOS	1m 7s
Passenger Standalone tests on Linux	3m 9s
Passenger Standalone tests on macOS	4m 29s
	38m 3s

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