[Snyk] Security upgrade python from 3.13.0a2-slim to 3.13.0rc1-slim

[EchoSkorJjj]

Snyk has created this PR to fix 3 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):

• downstream-services/service-two/Dockerfile

We recommend upgrading to python:3.13.0rc1-slim, as this image has only 43 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
	Out-of-bounds Write SNYK-DEBIAN12-GLIBC-6210098	721
	Out-of-bounds Write SNYK-DEBIAN12-GLIBC-6210098	721
	Out-of-bounds Write SNYK-DEBIAN12-GLIBC-6210088	614
	Out-of-bounds Write SNYK-DEBIAN12-GLIBC-6210088	614
	Improper Verification of Cryptographic Signature SNYK-DEBIAN12-GNUTLS28-6159410	614

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