feat: Enhance ERC registry update with efficient merge and deduplication #499

All 13 tests pass, 4 skipped in 24s

1 files ± 0 7 suites - 1 24s ⏱️ - 4m 25s
17 tests - 24 13 ✅ - 26 4 💤 +4 0 ❌ - 2
23 runs - 18 19 ✅ - 20 4 💤 +4 0 ❌ - 2

Results for commit 98ebe35. ± Comparison against earlier commit f446964.