fix: allow only one version (#137) #467

Job	Run time
test / matrix-prep-bazelversion	2s
test / matrix-prep-os	1s
test / test (ubuntu-latest, 7.3.1, ., true)	6m 23s
test / test (ubuntu-latest, 7.3.1, e2e/smoke, true)	3m 27s
test / test (ubuntu-latest, 7.3.1, e2e/smoke, false)	1m 13s
test / test (ubuntu-latest, 8.0.0rc1, ., true)	2m 42s
test / test (ubuntu-latest, 8.0.0rc1, e2e/smoke, true)	1m 13s
test / test (ubuntu-latest, 8.0.0rc1, e2e/smoke, false)	1m 16s
test / test (macos-latest, 7.3.1, ., true)	2m 21s
test / test (macos-latest, 7.3.1, e2e/smoke, true)	57s
test / test (macos-latest, 7.3.1, e2e/smoke, false)	3m 26s
test / test (macos-latest, 8.0.0rc1, ., true)	1m 13s
test / test (macos-latest, 8.0.0rc1, e2e/smoke, true)	1m 45s
test / test (macos-latest, 8.0.0rc1, e2e/smoke, false)	1m 1s
	27m 0s

Provide feedback