* Fix GraphQLConfiguration - use extended scalars

* Support multiple queries in a single request #340

* Add multi-request samples to maven plugin #340

* Add non-null assertion for GraphQL operation type

Bumps [spring-boot-starter-web](https://github.com/spring-projects/spring-boot) from 2.3.2.RELEASE to 2.3.3.RELEASE.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](https://github.com/spring-projects/spring-boot/compare/v2.3.2.RELEASE...v2.3.3.RELEASE)
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Bumps [spring-boot-starter-data-mongodb](https://github.com/spring-projects/spring-boot) from 2.3.2.RELEASE to 2.3.3.RELEASE.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](https://github.com/spring-projects/spring-boot/compare/v2.3.2.RELEASE...v2.3.3.RELEASE)
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* Support multiple annotations #248  (#273)

* Fix request serialization if null input was supplied #271

* Support multiple annotations #248

* Update docs

* Remove generateAsyncApi, rename apiReturnType, apiReturnListType #269 (#274)

* Remove generateAsyncApi, rename apiReturnType, apiReturnListType #269

* Introduce config useOptionalForNullableReturnTypes #269

* Update migration guide #269

* Ability to generate only root interface with all apis #270 (#275)

* Bump version to 3.0.0-SNAPSHOT

Bumps [spring-boot-starter-web](https://github.com/spring-projects/spring-boot) from 2.3.1.RELEASE to 2.3.2.RELEASE.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](https://github.com/spring-projects/spring-boot/compare/v2.3.1.RELEASE...v2.3.2.RELEASE)
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Bumps [spring-boot-starter-data-mongodb](https://github.com/spring-projects/spring-boot) from 2.3.1.RELEASE to 2.3.2.RELEASE.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](https://github.com/spring-projects/spring-boot/compare/v2.3.1.RELEASE...v2.3.2.RELEASE)
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set generateParameterizedFieldsResolvers to false

Bumps [graphql-java-extended-scalars](https://github.com/graphql-java/graphql-java-extended-scalars) from 1.0 to 1.0.1.
- [Release notes](https://github.com/graphql-java/graphql-java-extended-scalars/releases)
- [Commits](https://github.com/graphql-java/graphql-java-extended-scalars/commits/v1.0.1)
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Bumps [rest-assured](https://github.com/jayway/rest-assured) from 4.3.0 to 4.3.1.
- [Release notes](https://github.com/jayway/rest-assured/releases)
- [Changelog](https://github.com/rest-assured/rest-assured/blob/master/changelog.txt)
- [Commits](https://github.com/jayway/rest-assured/compare/rest-assured-4.3.0...rest-assured-4.3.1)
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