[Snyk] Security upgrade debian from bullseye-slim to 11.6-slim

[krustowski]

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

• Dockerfile

We recommend upgrading to debian:11.6-slim, as this image has only 43 known vulnerabilities. To do this, merge this pull request, then verify your application still works as expected.

Some of the most important vulnerabilities in your base image include:

Severity	Issue	Exploit Maturity
	CVE-2022-3219 SNYK-DEBIAN11-GNUPG2-3330745	No Known Exploit
	Information Exposure SNYK-DEBIAN11-GNUTLS28-3318299	No Known Exploit
	Out-of-bounds Read SNYK-DEBIAN11-NCURSES-2767191	No Known Exploit
	NULL Pointer Dereference SNYK-DEBIAN11-SHADOW-3310898	No Known Exploit
	Access Restriction Bypass SNYK-DEBIAN11-SHADOW-526940	No Known Exploit

---

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:

🦉 NULL Pointer Dereference