Update fake requirement from 2.4 to 3.0 #140

Job	Run time
Lints	30s
Check (ubuntu-latest, stable)	20s
Test Suite (ubuntu-latest, stable)	32s
Check (ubuntu-latest, beta)	19s
Test Suite (ubuntu-latest, beta)	34s
Check (ubuntu-latest, nightly)	20s
Test Suite (ubuntu-latest, nightly)	29s
Check (macos-latest, stable)	19s
Test Suite (macos-latest, stable)	30s
Test Suite (macos-latest, beta)	51s
Check (macos-latest, beta)	26s
Test Suite (macos-latest, nightly)	41s
Check (macos-latest, nightly)	20s
Test Suite (windows-latest, stable)	1m 12s
Test Suite (windows-latest, beta)	1m 33s
Check (windows-latest, stable)	1m 55s
Test Suite (windows-latest, nightly)	1m 9s
Check (windows-latest, beta)	44s
Check (windows-latest, nightly)	33s
	13m 17s

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