Duplicate "graphql" modules cannot be used at the same time

[OronNadiv]

Description

Conflicting graphql modules after upgrading to Gatsby v3.

Steps to reproduce

Upgrade to Gatsby v3, then you'll get the following dependencies tree:

$ npm ls graphql
<project name>
└─┬ [email protected]
  ├─┬ [email protected]
  │ ├─┬ [email protected]
  │ │ ├─┬ @graphql-tools/[email protected]
  │ │ │ ├─┬ @graphql-tools/[email protected]
  │ │ │ │ └── [email protected] deduped
  │ │ │ └── [email protected] deduped
  │ │ ├─┬ @graphql-tools/[email protected]
  │ │ │ └── [email protected] deduped
  │ │ ├─┬ @graphql-tools/[email protected]
  │ │ │ └── [email protected] deduped
  │ │ ├─┬ @graphql-tools/[email protected]
  │ │ │ └── [email protected] deduped
  │ │ ├─┬ @graphql-tools/[email protected]
  │ │ │ ├─┬ @graphql-tools/[email protected]
  │ │ │ │ ├─┬ @graphql-tools/[email protected]
  │ │ │ │ │ └── [email protected] deduped
  │ │ │ │ └── [email protected] deduped
  │ │ │ ├─┬ @graphql-tools/[email protected]
  │ │ │ │ └── [email protected] deduped
  │ │ │ ├─┬ [email protected]
  │ │ │ │ └── [email protected] deduped
  │ │ │ ├─┬ [email protected]
  │ │ │ │ └── [email protected] deduped
  │ │ │ └── [email protected] deduped
  │ │ ├─┬ @graphql-tools/[email protected]
  │ │ │ └── [email protected] deduped
  │ │ └── [email protected] deduped
  │ └── [email protected]
  ├─┬ [email protected]
  │ └── [email protected] deduped
  ├─┬ [email protected]
  │ └─┬ [email protected]
  │   ├─┬ @graphql-tools/[email protected]
  │   │ └── [email protected] deduped
  │   ├─┬ @graphql-tools/[email protected]
  │   │ └── [email protected] deduped
  │   ├─┬ [email protected]
  │   │ └── [email protected] deduped
  │   └── [email protected]
  ├─┬ [email protected]
  │ ├─┬ [email protected]
  │ │ └── [email protected] deduped
  │ └── [email protected] deduped
  └── [email protected]

Environment

$ gatsby info --clipboard

  System:
    OS: macOS 10.15.7
    CPU: (8) x64 Intel(R) Core(TM) i7-8559U CPU @ 2.70GHz
    Shell: 3.2.57 - /bin/bash
  Binaries:
    Node: 14.15.1 - ~/.nvm/versions/node/v14.15.1/bin/node
    npm: 7.6.2 - ~/.nvm/versions/node/v14.15.1/bin/npm
  Languages:
    Python: 2.7.16 - /usr/bin/python
  Browsers:
    Chrome: 88.0.4324.192
    Firefox: 78.7.1
    Safari: 14.0.3
  npmPackages:
    gatsby: ^3.0.4 => 3.0.4
    gatsby-background-image: ^1.4.1 => 1.4.1
    gatsby-image: ^3.0.0 => 3.0.0
    gatsby-plugin-manifest: ^3.0.0 => 3.0.0
    gatsby-plugin-react-helmet: ^4.0.0 => 4.0.0
    gatsby-plugin-react-svg: ^3.0.0 => 3.0.0
    gatsby-plugin-sass: ^4.0.2 => 4.0.2
    gatsby-plugin-sharp: ^3.0.1 => 3.0.1
    gatsby-source-filesystem: ^3.0.0 => 3.0.0
    gatsby-transformer-sharp: ^3.0.0 => 3.0.0
  npmGlobalPackages:
    gatsby-cli: 2.18.0

[LekoArts]

Are there any problems with that? It seems it correctly deduped it to v15