[Snyk] Security upgrade sharp from 0.30.7 to 0.33.0

[bot-linagora]

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Snyk has created this PR to fix 1 vulnerabilities in the npm dependencies of this project.

Snyk changed the following file(s):

• twake/backend/node/package.json
• twake/backend/node/package-lock.json

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Symlink Attack SNYK-JS-TARFS-9535930	721

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[!IMPORTANT]

• Check the changes in this PR to ensure they won't cause issues with your project.
• Max score is 1000. Note that the real score may have changed since the PR was raised.
• This PR was automatically created by Snyk using the credentials of a real user.

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