Release instructions for `ScanCode.io`

Create a new release-x.x.x branch
Update the version in:
- setup.cfg (2 entries)
- scancodeio/__init__.py
- CHANGELOG.rst (set date)
Commit and push this branch
Create a PR and merge once approved
Tag and push that tag. This will trigger the pypi-release.yml GitHub workflow that takes care of building the dist release files and upload those to pypi:
```
VERSION=vx.x.x  # <- Set the new version here
git tag -a $VERSION -m ""
git push origin $VERSION
```
Review the GitHub release created by the workflow at https://github.com/aboutcode-org/scancode.io/releases

cd scancode.io
source .venv/bin/activate
pip install build
python -m build --sdist --wheel --outdir dist/ .

The distribution files will be available in the local dist/ directory.

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