Invenio-s3

- filename: replace encoding/decoding
- setup: bump major dependencies

- setup: change to reusable workflows
- setup: pin dependencies
- Update GitHub Actions versions
- Update Python versions in workflows
- remove future imports
- Update dependencies and fix import in conftest.py
- global: fix revision id due to rebase
- fix docs compatibilty problem with Sphinx>=5.0.0
- global: clean test infrastructure
- add .git-blame-ignore-revs
- migrate to use black as opinionated auto formater
- migrate setup.py to setup.cfg
- global: fix ci

- Unpin boto3 and s3fs

- Bump versions to support Flask v2.

- Fix number of parts calculations.
- Removed Python 2.7 support.

- Allow for dynamic part size for multipart uploads.
- Adds new configuration variables to define default part size and maximum
number of parts.