♻️ refactor(tests): Rename EIP 7708 selfdestruct log to burn

[raxhvl]

🗒️ Description

ethereum/EIPs#11311 renamed the "Selfdestruct" log topic to "Burn" in the EIP-7708 specification.

The rationale is that "Burn" better describes what happens (ETH is destroyed) rather than how it happens (via the SELFDESTRUCT opcode). This creates a more consistent API, which reflects the outcome, not the mechanism.

What changed

• Rename SELFDESTRUCT_TOPIC to BURN_TOPIC with event signature Burn(address,uint256)
• Rename emit_selfdestruct_log function to emit_burn_log
• Update all test references

✅ Checklist

• All: Ran fast tox checks to avoid unnecessary CI fails, see also Code Standards and Enabling Pre-commit Checks:

  uvx tox -e static

• All: PR title adheres to the repo standard - it will be used as the squash commit message and should start type(scope):.
• All: Set appropriate labels for the changes (only maintainers can apply labels).

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.14%. Comparing base (bf16746) to head (50aedc6).
⚠️ Report is 82 commits behind head on eips/amsterdam/eip-7708.

Additional details and impacted files

@@                     Coverage Diff                     @@
##           eips/amsterdam/eip-7708    #2211      +/-   ##
===========================================================
- Coverage                    86.14%   84.14%   -2.01%     
===========================================================
  Files                          599      642      +43     
  Lines                        39491    42267    +2776     
  Branches                      3782     4066     +284     
===========================================================
+ Hits                         34021    35566    +1545     
- Misses                        4848     5971    +1123     
- Partials                       622      730     +108     

Flag	Coverage Δ
unittests	84.14% <100.00%> (-2.01%)	⬇️

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