feat(btcio): refactor and Clone

[storopoli]

Description

• Moves submit_package to BroadcasterRpc from ReaderRpc, it is a broadcasting thing anyways.
• Adds Clone to BitcoinClient so that it can be cloned. This will help out a lot in the strata-bridge's Duty Tracker.

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature/Enhancement (non-breaking change which adds functionality or enhances an existing one)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Refactor
• New or updated tests
• Dependency Update

Checklist

• I have performed a self-review of my code.
• I have commented my code where necessary.
• I have updated the documentation if needed.
• My changes do not introduce new warnings.
• I have added tests that prove my changes are effective or that my feature works.
• New and existing tests pass with my changes.

[codecov]

Codecov Report

Attention: Patch coverage is 63.15789% with 7 lines in your changes missing coverage. Please review.

Project coverage is 54.73%. Comparing base (004be7c) to head (a8e1c4c).
Report is 6 commits behind head on main.

Files with missing lines	Patch %	Lines
crates/btcio/src/test_utils.rs	46.15%	7 Missing ⚠️

@@            Coverage Diff             @@
##             main     #659      +/-   ##
==========================================
+ Coverage   54.68%   54.73%   +0.05%     
==========================================
  Files         317      317              
  Lines       33929    33929              
==========================================
+ Hits        18553    18571      +18     
+ Misses      15376    15358      -18     

Files with missing lines	Coverage Δ
crates/btcio/src/rpc/client.rs	85.86% <100.00%> (ø)
crates/btcio/src/test_utils.rs	62.10% <46.15%> (ø)

... and 5 files with indirect coverage changes

[github-actions]

Commit: 972c233

SP1 Performance Test Results

program	cycles	success
BTC_BLOCKSPACE	30,370,596	✅
EL_BLOCK	97,975	✅
CL_BLOCK	89,783	✅
L1_BATCH	30,419,814	✅
L2_BATCH	3,566	✅
CHECKPOINT	25,699	✅