add support for `Stake11111111111111111111111111111111111111` accounts

[dmshvetsov]

$ se ac 52C9T2T7JRojtxumYnYZhyUmrN7kqzvCLc4Ksvjk7TxD
thread 'main' panicked at /Users/dima/.asdf/installs/rust/1.79.0/registry/src/index.crates.io-6f17d22bba15001f/solana-explorer-cli-0.3.1/src/account.rs:221:13:
not yet implemented: account address 52C9T2T7JRojtxumYnYZhyUmrN7kqzvCLc4Ksvjk7TxD with data size 200 owned by Stake11111111111111111111111111111111111111 program, not supported yet in solana explorer CLI
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

[dmshvetsov]

node looks like 52C9T2T7JRojtxumYnYZhyUmrN7kqzvCLc4Ksvjk7TxD is a validator account