feat: add devnet tweaks

[hugocaillard]

Description

wip

Applicable issues

• fixes #

Additional info (benefits, drawbacks, caveats)

Checklist

• [ ] Test coverage for new or modified code paths
• [ ] Changelog is updated
• [ ] Required documentation changes (e.g., docs/rpc/openapi.yaml and rpc-endpoints.md for v2 endpoints, event-dispatcher.md for new events)
• [ ] New clarity functions have corresponding PR in clarity-benchmarking repo
• [ ] New integration test(s) added to bitcoin-tests.yml

[codecov[bot]]

Codecov Report

Attention: 10 lines in your changes are missing coverage. Please review.

Comparison is base (9690ecd) 59.40% compared to head (ae1fb3f) 19.77%.

Files	Patch %	Lines
testnet/stacks-node/src/config.rs	50.00%	5 Missing :warning:
testnet/stacks-node/src/nakamoto_node/relayer.rs	0.00%	3 Missing :warning:
stackslib/src/burnchains/bitcoin/indexer.rs	66.66%	1 Missing :warning:
...-node/src/burnchains/bitcoin_regtest_controller.rs	50.00%	1 Missing :warning:

Additional details and impacted files

@@             Coverage Diff             @@
##             next    #4234       +/-   ##
===========================================
- Coverage   59.40%   19.77%   -39.64%     
===========================================
  Files         446      446               
  Lines      318774   318784       +10     
===========================================
- Hits       189381    63041   -126340     
- Misses     129393   255743   +126350     

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[jbencin]

Can you explain the reason for changing the constants you did in the PR description? I'm not objecting to the changes, I just don't understand them well

[hugocaillard]

Hey @jbencin This PR is still quite drafty, I haven't self-reviewed and it's mostly code that I didn't write myself. I'll update the description before switching to ready for review