v0.3.12

Changelog

dd11513 ci(drone): aesthetic corrections
567a319 fix(build): delete duplicated release script
0ad20d3 refactor(backend): migrate from springfox to springdoc-openapi
baa398c refactor(build): backend dependency updates
4aa2bc3 refactor(build): frontend dependency updates
a8dcef9 refactor(build): gradle - remove git release and change log plugins
a3f9845 refactor(build): scripts to release a new version of ledger
a3c2f2b refactor(frontend): update reverse proxy config for openapi