Log Message:
py-flask-static-digest: Update to 0.4.0.

## [0.4.0] - 2023-05-14

- Brotli support added by [Dr. Matthew Swabey](https://github.com/mattaw)
- Remove `FLASK_STATIC_DIGEST_GZIP_FILES` gzip config option
- Add `FLASK_STATIC_DIGEST_COMPRESSION` (defaults to `["gzip"]` and \ 
replaces the old gzip config option)

## [0.3.0] - 2022-03-16

- Add support for digesting static files in blueprints and nested blueprints
- Spruce up the code base by using Black for code formatting