[CLI][E2E] Wait for reconfiguration in staking tests, use latest Python SDK #54559

Job	Run time
permission-check	3s
file_change_determinator	10s
determine-docker-build-metadata	1s
test-target-determinator	3m 30s
rust-images-failpoints	0s
rust-images-performance	0s
rust-images-consensus-only-perf-test	0s
rust-images / rust-all	17m 58s
forge-consensus-only-perf-test	0s
forge-multiregion-test	0s
cli-e2e-tests / run-cli-tests	10m 16s
faucet-tests-main / run-tests-main	0s
indexer-grpc-e2e-tests / test-indexer-grpc-docker-compose	1m 41s
node-api-compatibility-tests / node-api-compatibility-tests	53s
forge-compat-test / forge	12m 43s
forge-framework-upgrade-test / forge	16m 16s
forge-e2e-test / forge	14m 3s
	1h 17m 34s

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