ci: auto generation configs for deb packages

[afdesk]

Description

Added auto generation conf/distributions for building deb packages.

Related issues

• Close #1692
• the first PR #1775

Checklist

• [x] I've read the guidelines for contributing to this repository.
• [x] I've followed the conventions in the PR title.
• [ ] I've added tests that prove my fix is effective or that my feature works.
• [ ] I've updated the documentation with the relevant information (if needed).
• [ ] I've added usage information (if the PR introduces new options)
• [ ] I've included a "before" and "after" example to the description (if the PR is a user interface change).

[afdesk]

Oh, I might be missing something. Don't we remove old releases?

https://github.com/aquasecurity/trivy/blob/1b4d38629c642117fb6801aeaa1c7d3b6b2d6a27/ci/deploy-deb.sh#L10-L12

For example, what happens to Debian 8 after it reaches EOL? I wanted to keep the binary for Debian 8.

if i understand correctly, this script removes only supported version for update: https://github.com/aquasecurity/trivy/blob/1b4d38629c642117fb6801aeaa1c7d3b6b2d6a27/ci/deploy-deb.sh#L3-L13

[afdesk]

or i missed something now

[knqyf263]

Seems like so. You can revert a commit with --all. I'm sorry for my bad. I misunderstood all releases were removed.

[afdesk]

maybe i miss something, the my idea was about generation distributions file automatically and so we should build it with --all flag. now this file is static: https://github.com/aquasecurity/trivy-repo/blob/main/deb/conf/distributions we don't change the rest of the script, right?

[afdesk]

@knqyf263 or do you mean that we should rebuild trivy for all distros (including unsupported)?

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