[Snyk] Security upgrade node from 25.0.0-trixie-slim to 25.6.0-trixie-slim

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Snyk has created this PR to fix 5 vulnerabilities in the dockerfile dependencies of this project.

Keeping your Docker base image up-to-date means you’ll benefit from security fixes in the latest version of your chosen image.

Snyk changed the following file(s):

• react-front-to-back/ticket-manager-app/Dockerfile

We recommend upgrading to node:25.6.0-trixie-slim, as this image has only 26 known vulnerabilities. To do this, merge this pull request, then verify your application still works as expected.

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Race Condition SNYK-UPSTREAM-NODE-14928492	861
	UNIX Symbolic Link (Symlink) Following SNYK-UPSTREAM-NODE-14928586	761
	Uncaught Exception SNYK-UPSTREAM-NODE-14929624	761
	Reliance on Undefined, Unspecified, or Implementation-Defined Behavior SNYK-UPSTREAM-NODE-14975915	721
	Uncaught Exception SNYK-UPSTREAM-NODE-14982196	614

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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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🦉 Race Condition
🦉 Uncaught Exception