BUILD: Add support for Python 3.13 and drop 3.9.

This adds python 3.13 to build process and drops support for 3.9

DOC: Update readme badge and fix grammatical errors.

REL: Prepare for v1.3.6 release.

`actions/checkout` introduced a breaking change where the github action
does no longer fetches tags by default. We add extra parameters to the
action to ensure tags are fetched so that the correct version number of
the package can be inferred by `setuptools-scm`.

CI/CD: Upgrade codecov github action from deprecated v1 to v3

CI: Use `setuptools-scm` for automatic release versioning. (#119)

CI: Update release workflow (#110)

REL: Increase version number to prepare for v1.3.2 release.

REL: Bump version number

Merge pull request #94 from zoj613/version

Merge pull request #90 from zoj613/broadcast_shape