Dependency updates

What's Changed

• ci: switch to GitHub Actions by @carstendietrich in #14
• upgrade gglgen to v0.16.0

Full Changelog: v1.5.0...v1.6.0

Bump Go to 1.16, cue config, cleanup

General maintenance release:

• Bump Go to 1.16 and switch to go:embed
• Update the module to use cue config
• Cleanup unused dependencies

Dependency update

Updated all dependencies to their latest versions, fix calls to deprecated functions plus some general cleanup.
Bumped the Go version to 1.15 to match the official support lifecycle of the Go core.

Changed deps:

• 99designs/gqlgen@39a12e0...v0.13.0
• vektah/gqlparser@v2.0.1...v2.1.0

Add gql direct command

adds the gql command to directly call GraphQL queries from the cli.

go run main.go gql User.Todos '{\"Name\":\"User a\"}' 

Fix empty date scalar handling

Fix unmarshal of empty date scalar (#7)

* Fixed Unmarshal of Date Scalar

* Added tests for marshaller

Add new Date scalar type

• Adds new Date scalar type

Better Codegeneration

• Better Codegeneration
• Use modern GQLGen
• Use Types instead of ModelMap