[Snyk] Security upgrade golang from 1.23.0 to 1.23.3

[igh9410]

Snyk has created this PR to fix 4 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):

• backend/Dockerfile

We recommend upgrading to golang:1.23.3, as this image has only 76 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
	Integer Overflow or Wraparound SNYK-DEBIAN12-EXPAT-7855502	714
	Integer Overflow or Wraparound SNYK-DEBIAN12-EXPAT-7855503	714
	Link Following SNYK-DEBIAN12-GIT-6846203	714
	Link Following SNYK-DEBIAN12-GIT-6846203	714
	XML External Entity (XXE) Injection SNYK-DEBIAN12-EXPAT-7855507	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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🦉 XML External Entity (XXE) Injection