feat(config/os): add ubuntu 26.04

[MaineK00n]

If this Pull Request is work in progress, Add a prefix of “[WIP]” in the title.

What did you implement:

add ubuntu 26.04 EOL

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

unit test

Checklist:

You don't have to satisfy all of the following.

• Write tests
• Write documentation
• Check that there aren't other open pull requests for the same issue/feature
• Format your source code by make fmt
• Pass the test by make test
• Provide verification config / commands
• Enable "Allow edits from maintainers" for this PR
• Update the messages below

Is this ready for review?: YES

Reference

• https://ubuntu.com/about/release-cycle

[Copilot]

Pull request overview

Adds Ubuntu 26.04 lifecycle metadata to the OS EOL lookup so the scanner can correctly classify standard vs extended support periods for that release.

Changes:

• Add an Ubuntu 26.04 entry to the Ubuntu EOL table (standard + extended support dates).
• Add unit tests covering that 26.04 is found and transitions into “extended support” after standard support ends.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
config/os.go	Adds Ubuntu 26.04 EOL dates to GetEOL’s Ubuntu release map.
config/os_test.go	Adds test cases for Ubuntu 26.04 standard/extended support behavior.

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[Copilot]

Pull request overview

Copilot reviewed 2 out of 2 changed files in this pull request and generated no new comments.

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[shino]

🦝