[Snyk] Security upgrade python from 3.11-alpine to 3.12.3-alpine

[glpatcern]

This PR was automatically created by Snyk using the credentials of a real user.

Keeping your Docker base image up-to-date means you’ll benefit from security fixes in the latest version of your chosen image.

Changes included in this PR

• wopiserver.Dockerfile

We recommend upgrading to python:3.12.3-alpine, as this image has only 0 known vulnerabilities. To do this, merge this pull request, then verify your application still works as expected.

---

Note: You are seeing this because you or someone else with access to this repository has authorized Snyk to open fix PRs.

For more information:
🧐 View latest project report

🛠 Adjust project settings

---

Learn how to fix vulnerabilities with free interactive lessons:

🦉 Learn about vulnerability in an interactive lesson of Snyk Learn.

[glpatcern]

@wkloucek what about merging also this? And then tagging a release?

[wkloucek]

Looks good! It'll have two low severity issues less than before (just checked with trivy).