refactor(e2e): only build zetanode once #2444

Job	Run time
build-zetanode	1m 40s
matrix-conditionals	2s
start-e2e-test / e2e	12m 24s
start-e2e-admin-test / e2e	0s
start-e2e-performance-test / e2e	0s
start-e2e-import-mainnet-test / e2e	0s
start-ton-test / e2e	0s
start-solana-test / e2e	0s
start-tss-migration-test / e2e	0s
start-upgrade-import-mainnet-test / e2e	0s
start-upgrade-test / e2e	0s
start-upgrade-test-light / e2e	15m 16s
start-upgrade-v2-migration-test / e2e	0s
start-v2-test / e2e	0s
e2e-ok	3s
	29m 25s

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