chore: move tool fetches to rules_multitool #1659

Job	Run time
matrix-prep-os	1s
matrix-prep-bazelversion	3s
test (ubuntu-latest, 7.4.1, ., true)	6m 48s
test (ubuntu-latest, 7.4.1, e2e/wasm, false)	4m 10s
test (ubuntu-latest, 7.4.1, e2e/smoke, true)	17s
test (ubuntu-latest, 7.4.1, e2e/smoke, false)	2m 33s
test (ubuntu-latest, 7.4.1, e2e/assertion, true)	3m 42s
test (ubuntu-latest, 6.4.0, ., true)	53s
test (ubuntu-latest, 6.4.0, e2e/wasm, false)	2m 42s
test (ubuntu-latest, 6.4.0, e2e/smoke, true)	13s
test (ubuntu-latest, 6.4.0, e2e/smoke, false)	2m 25s
test (ubuntu-latest, 6.4.0, e2e/assertion, true)	3m 52s
test (macos-13, 7.4.1, ., true)	1s
test (macos-13, 7.4.1, e2e/smoke, true)	1s
test (macos-13, 7.4.1, e2e/smoke, false)	1s
	27m 42s

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