[Snyk] Security upgrade python from 3.13-rc-slim-bookworm to 3.15-rc-slim-bookworm

[bateman]

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:3.15-rc-slim-bookworm, as this image has only 39 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
	CVE-2025-6965 SNYK-DEBIAN12-SQLITE3-10753055	714
	Resource Exhaustion SNYK-DEBIAN12-EXPAT-6227597	614
	Uncontrolled Recursion SNYK-DEBIAN12-EXPAT-9407503	614
	Heap-based Buffer Overflow SNYK-DEBIAN12-GNUTLS28-10690985	614
	Improper Certificate Validation SNYK-DEBIAN12-PERL-5489190	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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[bateman]

✅ Snyk checks have passed. No issues have been found so far.

Status	Scanner	Critical	High	Medium	Low	Total (0)
✅	Open Source Security	0	0	0	0	0 issues

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✨ Finishing touches

🧪 Generate unit tests (beta)

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• Post copyable unit tests in a comment
• Commit unit tests in branch snyk-fix-769e606db8a70f86be3a739b554c3398

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