chore: make clippy happy

[argentpapa]

warning: it is more concise to loop over references to containers instead of using explicit iteration methods
   --> crates/database/src/states/bundle_state.rs:597:35
    |
597 |         for (address, account) in self.state.iter() {
    |                                   ^^^^^^^^^^^^^^^^^ help: to write this more concisely, try: `&self.state`

[codspeed-hq]

CodSpeed Performance Report

Merging #2274 will not alter performance

_{Comparing argentpapa:main (fe070c9) with main (02ecc88)}

Summary

✅ 8 untouched benchmarks

[rakita]

Thank you