* fix(constants): update Devnet chain ID and block parameters for devnet-108 setup
* refactor(ci): update masternode deployment logic to skip specifically masternode-1 to masternode-25
* ci: update Slack webhook variable names for pull request notifications
* ci: correct format for masternodeN
* ci: enhance start script to handle bootnodes and miner gas limit configuration in new devnet
* ci: update start script to set default netstats configuration and change network ID for devnet
