feat: cache proof inputs

[Aalanli]

./run.sh --block 21345144 --mode generate-fixtures-evm --fixtures-path proof_cache > proof_log2.txt

./run.sh --block 21345144 --mode prove-evm --app-pk-path proof_cache/app_pk.bitcode --agg-pk-path proof_cache/agg_pk.bitcode --halo-pk-path proof_cache/halo_pk.bitcode --run-parts root_proof --fixtures-path proof_cache > proof_log2.txt

app_pk: loading from cache at proof_cache/app_pk.bitcode
agg_pk: loading from cache at proof_cache/agg_pk.bitcode
loading app_pk + agg_pk time 3.111s
halo_pk: loading from cache at proof_cache/halo_pk.bitcode
loading halo_pk time 147.394s
app_proof: loading from cache at proof_cache/app_proof.bitcode
app_proof took 0.055s

Resolve INT-7744