Aio-georss-gdacs

* Added Python 3.12 support.
* Removed Python 3.7 support.
* Bumped aio_georss_client to v0.12.
* Bumped library versions: black, flake8, isort.
* Migrated to pytest.
* Code quality improvements.

* Added Python 3.11 support.
* Removed deprecated asynctest dependency.
* Bumped aio_georss_client to v0.11.
* Bumped library versions: black, dateparser.

* Bump aio_georss_client to v0.10.
This includes better error handling if the GDACS service returns invalid XML (which happens occasionally).
* Properly handle event type Wild Fire (WF).

* No functional changes.
* Added Python 3.10 support.
* Removed Python 3.6 support.
* Bumped version of upstream GeoRSS library.
* Bumped library versions: black, flake8, isort.
* Migrated to github actions.

* Add license tag (thanks fabaff).
* Bump aio_georss_client to v0.7.
* Added Python 3.9 support.
* General code improvements.

* Ignore bounding box geometry definition from feed when calculating distance and event's coordinates.