Release candidate 1 for 1.7.0

test: use validator-1 in staging tests

test: use validator-1 in staging tests

chore: temp fix until devnet-services db-sync is synced

chore: temp fix until devnet-services db-sync is synced

fix: extend default timeout to 5 minutes (#683)

Refs: ETCM-9741

Release candidate 2 for 1.5.1

chore: bump tests nightly branch and version

test: fix staging validators' ports and smart-contracts response hand…

…ling

added:
- staging validator-5 dns resolvable when run in CI

fixed:
- staging validators' ports
- `node smart-contracts` response handling after recent refactoring
- `test_update_d_param` could not be run on staging due to missing fixture to scp skey

test: fix staging validators' ports and smart-contracts response hand…

…ling

added:
- staging validator-5 dns resolvable when run in CI

fixed:
- staging validators' ports
- `node smart-contracts` response handling after recent refactoring
- `test_update_d_param` could not be run on staging due to missing fixture to scp skey