[ROVER-301] Fixes => `rover dev` prematurely outputs that the supergraph is running. #672

Job	Run time
Calculate Correct Version Ranges	5s
Run Tests / Build Rover & E2E Binary (x86_64-apple-darwin, macos-13-xlarge)	2m 37s
Run Tests / Build Rover & E2E Binary (aarch64-apple-darwin, macos-13-xlarge)	2m 34s
Run Tests / Build Rover & E2E Binary (x86_64-pc-windows-msvc, windows-2022)	8m 29s
Run Tests / Build Rover & E2E Binary (x86_64-unknown-linux-gnu, ubuntu-22.04, quay.io/pypa/manylinux2014_x86_...	7m 30s
Run Tests / Run E2E Tests (2.9.3, 1.59.2, windows-2022, x86_64-pc-windows-msvc)	2m 45s
Run Tests / Run E2E Tests (2.9.3, 1.59.2, macos-13, x86_64-apple-darwin)	1m 9s
Run Tests / Run E2E Tests (2.9.3, 1.59.2, macos-14-large, x86_64-apple-darwin)	52s
Run Tests / Run E2E Tests (2.9.3, 1.59.2, macos-15-large, x86_64-apple-darwin)	1m 9s
Run Tests / Run E2E Tests (2.9.3, 1.59.2, ubuntu-22.04, x86_64-unknown-linux-gnu)	1m 3s
Run Tests / Run E2E Tests (2.9.3, 1.59.2, macos-13-xlarge, aarch64-apple-darwin)	1m 23s
Run Tests / Run E2E Tests (2.9.3, 1.59.2, macos-14, aarch64-apple-darwin)	1m 6s
Run Tests / Run E2E Tests (2.9.3, 1.59.2, macos-15, aarch64-apple-darwin)	1m 22s
Run Tests / Final Results	1s
	32m 5s

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