Update cassandra
Update cassandra

Changes:

- https://github.com/docker-library/cassandra/commit/e893a07: Merge pull request https://github.com/docker-library/cassandra/pull/235 from emerkle826/4.0-gpg
- https://github.com/docker-library/cassandra/commit/74d6b84: Bump to 4.0.0 GA
- https://github.com/docker-library/cassandra/commit/701846b: Add missing Cassandra GPG keys for 4.0

thresheek/official-images,infosiftr/stackbrew,docker-solr/official-images,31z4/official-images,docker-library/official-images,docker-library/official-images,docker-solr/official-images,docker-library/official-images,docker-solr/official-images,docker-library/official-images,neo-technology/docker-official-images,docker-library/official-images,docker-library/official-images,31z4/official-images,docker-solr/official-images,thresheek/official-images,docker-solr/official-images,infosiftr/stackbrew,thresheek/official-images,thresheek/official-images,neo-technology/docker-official-images,31z4/official-images,docker-solr/official-images,docker-solr/official-images,31z4/official-images,infosiftr/stackbrew,infosiftr/stackbrew,docker-library/official-images,docker-solr/official-images,docker-solr/official-images,infosiftr/stackbrew,docker-solr/official-images,thresheek/official-images,neo-technology/docker-official-images,neo-technology/docker-official-images,31z4/official-images,thresheek/official-images,thresheek/official-images,neo-technology/docker-official-images,31z4/official-images,docker-library/official-images,thresheek/official-images,thresheek/official-images,31z4/official-images,docker-library/official-images,neo-technology/docker-official-images,31z4/official-images,thresheek/official-images,infosiftr/stackbrew,neo-technology/docker-official-images,neo-technology/docker-official-images,infosiftr/stackbrew,31z4/official-images,docker-solr/official-images,thresheek/official-images,31z4/official-images,infosiftr/stackbrew,31z4/official-images,31z4/official-images,neo-technology/docker-official-images,neo-technology/docker-official-images,thresheek/official-images,31z4/official-images,docker-library/official-images,infosiftr/stackbrew,neo-technology/docker-official-images,docker-solr/official-images,docker-solr/official-images,infosiftr/stackbrew,thresheek/official-images,docker-library/official-images,infosiftr/stackbrew,docker-solr/official-images,neo-technology/docker-official-images,docker-library/official-images,neo-technology/docker-official-images,infosiftr/stackbrew,docker-library/official-images,neo-technology/docker-official-images,infosiftr/stackbrew,31z4/official-images,infosiftr/stackbrew,docker-library/official-images,thresheek/official-images