[Snyk] Upgrade react-rnd from 10.4.11 to 10.4.12

[jumpinjackie]

Snyk has created this PR to upgrade react-rnd from 10.4.11 to 10.4.12.

:information_source: Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.

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• The recommended version is 2 versions ahead of your current version.

• The recommended version was released on a day ago.

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[!IMPORTANT]

• Check the changes in this PR to ensure they won't cause issues with your project.
• This PR was automatically created by Snyk using the credentials of a real user.

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[coveralls]

coverage: 64.24%. remained the same when pulling f60cb4268e4dfdb66d877577fe954751c2bd52bc on snyk-upgrade-d24e53749749b45fad71bf5793024e74 into 406bd01650fc2dad0e8e6b7a3339eba740ae0ccb on master.