Allow deposits greater than 32ETH

[pinebit]

🎯 Problem to be solved

Currently the maximum allowed deposit is 32 ETH both in create cluster and in dkg. We want to allow deposits larger than 32 ETH per validator. The maximum is to be set to 2048 ETH.

🛠️ Proposed solution

• [x] Allow deposits up to 2048 ETH, while keeping "default" value to be 32 ETH.
• [x] Partial deposits feature to follow the same rules.

🧪 Tests

• [ ] Tested by new automated unit/integration/smoke tests
• [ ] Manually tested on core team/canary/test clusters
• [ ] Manually tested on local compose simnet