[WIP, DO NOT REVIEW] backtest: refactor out of firedancer-dev

[kbhargava-jump]

new commands:

build/native/gcc/bin/backtest --ci                                                                                                   CI LEDGERS
build/native/gcc/bin/backtest                                                                                                        ALL LEDGERS
build/native/gcc/bin/backtest mainnet-308392063-v2.3.0                                                                               SPECIFIC LEDGER
build/native/gcc/bin/backtest multi-bpf-loader-v2.3.0 --config path/to/config.toml                                                   SPECIFIC LEDGER + CONFIG (ex. solcap)
build/native/gcc/bin/backtest mainnet-368528500-perf --end-slot 368529500 --funk-pages 5 --index-max 2000000 --cluster-version 3.0.0 CUSTOM CONFIG

[ripatel-fd]

backtest must stay in firedancer-dev, if not firedancer main binary, since re-verifying a ledger is a common operator task that we should support

[kbhargava-jump]

backtest must stay in firedancer-dev, if not firedancer main binary, since re-verifying a ledger is a common operator task that we should support

redoing in #7016. still a WIP