[Snyk] Fix for 1 vulnerable dependencies

[snyk-bot]

Description

This PR fixes one or more vulnerable packages in the npm dependencies of this project.
See the Snyk test report for more details.

Snyk Project: ocadotechnology/aimmo:game_frontend/package.json

Snyk Organization: CelineBoudier

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • game_frontend/package.json

Vulnerabilities that will be fixed

With an upgrade:

• npm:react-dom:20180802 - potentially breaking change

You can read more about Snyk's upgrade and patch logic in Snyk's documentation.

Check the changes in this PR to ensure they won't cause issues with your project.

Stay secure,
The Snyk team

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This change is 

[OlafSzmidt]

We can't merge this. It's a new major version and requires work.

[OlafSzmidt]

Also, it doesn't apply to us as both of the following need to be true:

The application is being rendered to HTML using ReactDOMServer API, and
The app includes a user-supplied attribute name in an HTML tag.