chore: move tool fetches to rules_multitool #1661

Job	Run time
matrix-prep-bazelversion	2s
matrix-prep-os	1s
test (ubuntu-latest, 7.4.1, ., true)	7m 0s
test (ubuntu-latest, 7.4.1, e2e/wasm, false)	2m 1s
test (ubuntu-latest, 7.4.1, e2e/smoke, true)	22s
test (ubuntu-latest, 7.4.1, e2e/smoke, false)	18s
test (ubuntu-latest, 7.4.1, e2e/assertion, true)	1m 49s
test (ubuntu-latest, 6.4.0, e2e/wasm, false)	24s
test (ubuntu-latest, 6.4.0, e2e/smoke, true)	20s
test (ubuntu-latest, 6.4.0, e2e/smoke, false)	21s
test (ubuntu-latest, 6.4.0, e2e/assertion, true)	1m 42s
test (macos-13, 7.4.1, ., true)	8m 13s
test (macos-13, 7.4.1, e2e/smoke, true)	2m 47s
test (macos-13, 7.4.1, e2e/smoke, false)	46s
	26m 6s

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