[Snyk] Security upgrade ubuntu from jammy to 22.04

[bchex]

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

• tools/docker/Dockerfile

We recommend upgrading to ubuntu:22.04, as this image has only 13 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
	436	Improper Check for Unusual or Exceptional Conditions SNYK-UBUNTU2204-OPENSSL-6050179	No Known Exploit
	364	Out-of-bounds Write SNYK-UBUNTU2204-OPENSSL-6148852	No Known Exploit
	364	CVE-2023-6237 SNYK-UBUNTU2204-OPENSSL-6157067	No Known Exploit
	436	CVE-2024-0727 SNYK-UBUNTU2204-OPENSSL-6191314	No Known Exploit
	300	CVE-2020-22916 SNYK-UBUNTU2204-XZUTILS-5854647	No Known Exploit

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[github-actions]

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