* Update config program to accommodate multiple signers (#4946)
* Update config program to accommodate multiple signers
* Update install CLI
* Remove account_type u32; add handling for unsigned keys in list
* ConfigKeys doc
* Make config_api more robust (#4980)
* Make config_api more robust
* Add test and update store instruction
* Improve signature checks in config_api (#5001)
automerge
* Add validator-info CLI (#4970)
* Add validator-info CLI
* Add GetProgramAccounts method to solana-client
* Update validator-info args, and add get subcommand
* Update ValidatorInfo lengths
* Add account filter for get --all
* Update testnet participation doc to reflect validator-info
* Flesh out tests
* Review comments
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