[Snyk] Security upgrade python from 3.9-slim to 3.13.0rc2-slim

[billabongrob]

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):

• Dockerfile

We recommend upgrading to python:3.13.0rc2-slim, as this image has only 40 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-ZLIB-6008963	500
	Arbitrary Code Injection SNYK-DEBIAN12-SHADOW-5423923	150
	Improper Authentication SNYK-DEBIAN12-SHADOW-5879156	150
	Memory Leak SNYK-DEBIAN12-SQLITE3-2407042	150
	Out-of-Bounds SNYK-DEBIAN12-SQLITE3-6139924	150

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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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Learn how to fix vulnerabilities with free interactive lessons:

🦉 Improper Authentication
🦉 Memory Leak