v0.3.0 Sort Schema

What's Changed

• Update graphql-core requirement by @alexhermida in #1
• Upgrade&fix Graphiql and sqlalchemy examples by @alexhermida in #2
• [DOD 901] Add sort schema by @danodonovan in #3

New Contributors

• @alexhermida made their first contribution in #1
• @danodonovan made their first contribution in #3

Full Changelog: 0.2.8...v0.3.0