bump: v0.12.0

[luislhl]

Acceptance Criteria

• fix: utxo-filter parameter only-available #181
• chore: bump nodejs versions #171
• Integration tests: utxo-filter, utxo-consolidation, create-nft #164
• Refactor of ExpressJS files #174
• feat: Multisig Support #156
• feat: allow setting tx mining service apikey #175

Security Checklist

• Make sure you do not include new dependencies in the project unless strictly necessary and do not include dev-dependencies as production ones. More dependencies increase the possibility of one of them being hijacked and affecting us.

[codecov]

Codecov Report

Merging #180 (6798adc) into dev (326bc7b) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##              dev     #180   +/-   ##
=======================================
  Coverage   85.84%   85.84%           
=======================================
  Files          19       19           
  Lines         650      650           
  Branches      133      133           
=======================================
  Hits          558      558           
  Misses         83       83           
  Partials        9        9           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 326bc7b...6798adc. Read the comment docs.