[Snyk] Security upgrade ubuntu from kinetic to lunar-20231004

[Ravenwater]

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

• docker/Dockerfile.gcc11

We recommend upgrading to ubuntu:lunar-20231004, as this image has only 7 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	Priority Score / 1000	Issue	Exploit Maturity
	150	Improper Input Validation SNYK-UBUNTU2210-COREUTILS-3083834	No Known Exploit
	300	Improper Validation of Integrity Check Value SNYK-UBUNTU2210-SYSTEMD-5721329	No Known Exploit
	300	Improper Validation of Integrity Check Value SNYK-UBUNTU2210-SYSTEMD-5721329	No Known Exploit
	300	Improper Validation of Integrity Check Value SNYK-UBUNTU2210-SYSTEMD-5721343	No Known Exploit
	300	Improper Validation of Integrity Check Value SNYK-UBUNTU2210-SYSTEMD-5721343	No Known Exploit

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Learn how to fix vulnerabilities with free interactive lessons:

🦉 Improper Input Validation