[Snyk] Security upgrade python from 3.11.0b5 to 3.12.0a4

[sajib1066]

This PR was automatically created by Snyk using the credentials of a real user.

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

Changes included in this PR

• Dockerfile

We recommend upgrading to python:3.12.0a4, as this image has only 272 known vulnerabilities. To do this, merge this pull request, then verify your application still works as expected.

Some of the most important vulnerabilities in your base image include:

Severity	Priority Score / 1000	Issue	Exploit Maturity
	611	Integer Overflow or Wraparound SNYK-DEBIAN11-LIBKSBA-3179188	No Known Exploit
	714	Out-of-bounds Read SNYK-DEBIAN11-LIBTASN16-3061097	No Known Exploit
	614	XML External Entity (XXE) Injection SNYK-DEBIAN11-LIBXML2-3059797	No Known Exploit
	614	Integer Overflow or Wraparound SNYK-DEBIAN11-LIBXML2-3059801	No Known Exploit
	514	Out-of-bounds Write SNYK-DEBIAN11-UNZIP-2396445	No Known Exploit

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