Add configurable curl await timeout for historic and indexer nodes

[oleksandrSydorenkoJ]

Is your feature request related to a problem? Please describe.
CURL agent on historic node awaiting only 1800 seconds for snapshot hash computation on node-sender and trow the error after the exceeding this times

Describe the solution you'd like
Need to add a configurable variable to the schain config for the historic and indexer nodes

Note
Example implementation
https://github.com/skalenetwork/skale-node/blob/1ea236082d5b228054539ce6a6c6a1666b997880/static_params.yaml#L83