chore: update CHANGELOG

chore: update changelog for version 0.12.1

fix: export CurrencySymbol from scalus.ledger.api.v1

ci: update extra_nix_config to fix warnings in GitHub Actions

docs: update CHANGELOG.md

fix: correct mint value retrieval for PlutusV3

It doesn't contain 0 Ada in V3

build: use latest sbt and release plugin

refactor: safe cost model retrieval in ScalusTransactionEvaluator

(cherry picked from commit a5b6db7)

docs: update CHANGELOG.md

chore: update scalus stable version to 0.10