[Snyk] Security upgrade python from 3-slim to 3.13.0rc2-slim

[mardiros]

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):

• examples/http_cache/user/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
	Information Exposure SNYK-DEBIAN12-GLIBC-1546991	150
	Uncontrolled Recursion SNYK-DEBIAN12-GLIBC-1547039	150
	Uncontrolled Recursion SNYK-DEBIAN12-GLIBC-1547069	150
	Use of Insufficiently Random Values SNYK-DEBIAN12-GLIBC-1547135	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:

🦉 Use of Insufficiently Random Values

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (c2d9b00) to head (3822ede).
Report is 21 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #259   +/-   ##
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  Coverage   100.00%   100.00%           
=========================================
  Files           50        50           
  Lines         1739      1739           
=========================================
  Hits          1739      1739           

Flag	Coverage Δ
	100.00% <ø> (ø)

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