Updated coinbase interval for pox-5

[rob-stacks]

Description

Applicable issues

• fixes #

Additional info (benefits, drawbacks, caveats)

Checklist

• Test coverage for new or modified code paths
• For new Clarity features or consensus changes, add property tests (see docs/property-testing.md)
• Changelog fragment(s) or "no changelog" label added (see changelog.d/README.md)
• Required documentation changes (e.g., rpc/openapi.yaml for RPC endpoints, event-dispatcher.md for new events)
• New clarity functions have corresponding PR in clarity-benchmarking repo

[coveralls]

Coverage Report for CI Build 28080014082

Warning

Build has drifted: This PR's base is out of sync with its target branch, so coverage data may include unrelated changes.
Quick fix: rebase this PR. Learn more →

Coverage increased (+0.2%) to 86.158%

Details

• Coverage increased (+0.2%) from the base build.
• Patch coverage: 10 of 10 lines across 1 file are fully covered (100%).
• 7530 coverage regressions across 113 files.

Uncovered Changes

No uncovered changes found.

Coverage Regressions

7530 previously-covered lines in 113 files lost coverage.

Top 10 Files by Coverage Loss	Lines Losing Coverage	Coverage
stackslib/src/chainstate/burn/db/sortdb.rs	576	90.29%
stackslib/src/config/mod.rs	418	69.43%
stackslib/src/net/mod.rs	310	78.11%
clarity/src/vm/database/clarity_db.rs	274	81.97%
stackslib/src/chainstate/stacks/index/storage.rs	263	82.41%
clarity/src/vm/database/structures.rs	253	77.25%
stackslib/src/chainstate/stacks/boot/mod.rs	246	94.21%
stackslib/src/chainstate/stacks/miner.rs	226	82.95%
stackslib/src/burnchains/burnchain.rs	206	71.95%
stackslib/src/chainstate/nakamoto/signer_set.rs	203	70.08%

---

Coverage Stats

Relevant Lines:	227859
Covered Lines:	196318
Line Coverage:	86.16%
Coverage Strength:	18701441.79 hits per line

---

💛 - Coveralls

[hstove-stacks]

Overall LGTM, just a few notes

[hstove-stacks]

@rob-stacks you have a clippy error: https://github.com/stacks-network/stacks-core/actions/runs/27692736067/job/81907811108?pr=7324

[github-actions]

Closed PR has been locked after 14 days of inactivity.