feat: issue RBF when burnchain/miner config changed

[hstove]

• Closes RBF block commit when config is changed #5869

This adds a step in the relayer's initiative method to check for a burnchain or miner config change. If detected, the IssueBlockCommit directive is returned.

[codecov]

Codecov Report

Attention: Patch coverage is 95.38462% with 9 lines in your changes missing coverage. Please review.

Project coverage is 83.71%. Comparing base (9937c41) to head (477eae6).
Report is 29 commits behind head on develop.

Files with missing lines	Patch %	Lines
testnet/stacks-node/src/globals.rs	62.50%	6 Missing ⚠️
...net/stacks-node/src/tests/nakamoto_integrations.rs	98.41%	2 Missing ⚠️
stackslib/src/config/mod.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##           develop    #5924       +/-   ##
============================================
+ Coverage    68.14%   83.71%   +15.56%     
============================================
  Files          521      521               
  Lines       382814   382987      +173     
  Branches       323      323               
============================================
+ Hits        260884   320611    +59727     
+ Misses      121922    62368    -59554     
  Partials         8        8               

Files with missing lines	Coverage Δ
testnet/stacks-node/src/nakamoto_node/relayer.rs	83.66% <100.00%> (+8.99%)	⬆️
testnet/stacks-node/src/run_loop/neon.rs	84.63% <100.00%> (+0.67%)	⬆️
stackslib/src/config/mod.rs	73.57% <0.00%> (+12.49%)	⬆️
...net/stacks-node/src/tests/nakamoto_integrations.rs	91.89% <98.41%> (+9.03%)	⬆️
testnet/stacks-node/src/globals.rs	71.98% <62.50%> (-0.18%)	⬇️

... and 306 files with indirect coverage changes

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[hstove]

@obycode tagged for re-review when you can! 🙏

[obycode]

Thanks!