[Snyk] Security upgrade python from 3.8-slim to 3.14.0rc2-slim

[Jimimaku]

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):

• docker/Dockerfile.python-3.8

We recommend upgrading to python:3.14.0rc2-slim, as this image has only 21 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
	Heap-based Buffer Overflow SNYK-DEBIAN12-GNUTLS28-10690985	614
	Out-of-Bounds SNYK-DEBIAN12-SQLITE3-6139924	614
	Memory Leak SNYK-DEBIAN12-KRB5-6277421	514
	Memory Leak SNYK-DEBIAN12-KRB5-6277421	514
	CVE-2025-7458 SNYK-DEBIAN12-SQLITE3-11191064	500

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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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🦉 Memory Leak

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