Feat/release v09

[aarmoa]

• Release latest changes from dev branch
  • Improvement in broadcaster to initialize the account sequence number and the timeout height only when required
  • Replace Pipenv with Poetry
  • Add pre-commit validations to the project
  • Add a GitHub workflow to run all tests and calculate coverage for each PR

[codecov[bot]]

Codecov Report

:exclamation: No coverage uploaded for pull request base (master@c8d68eb). Click here to learn what that means. Patch has no changes to coverable lines.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #253 +/- ## ========================================= Coverage ? 56.28% ========================================= Files ? 17 Lines ? 2038 Branches ? 241 ========================================= Hits ? 1147 Misses ? 855 Partials ? 36 ```

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