[Snyk] Security upgrade debian from bullseye-slim to 11-slim

[iphydf]

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

• other/bootstrap_daemon/docker/Dockerfile

We recommend upgrading to debian:11-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	Priority Score / 1000	Issue	Exploit Maturity
	364	CVE-2022-1271 SNYK-DEBIAN11-GZIP-2444256	No Known Exploit
	221	CVE-2022-1292 SNYK-DEBIAN11-OPENSSL-2807596	No Known Exploit
	221	CVE-2022-1587 SNYK-DEBIAN11-PCRE2-2808697	No Known Exploit
	221	CVE-2022-1586 SNYK-DEBIAN11-PCRE2-2808704	No Known Exploit
	150	CVE-2022-1271 SNYK-DEBIAN11-XZUTILS-2444276	No Known Exploit

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