Maintenance release of the GraphQL module for Drupal.

This release comes with minor new features and bug fixes:

• Drupal 10 compatibility
• Page caching for GET requests

All changes since 8.x-4.3: https://github.com/drupal-graphql/graphql/compare/8.x-4.3...8.x-4.4

Thanks to Kingdutch, chrfritsch, larowlan, Cryt1c, akhomy, balintpekker, dbosen!