[Issue] Remove Varnish 4/5 support

[m2-assistant]

This issue is automatically created based on existing pull request: #38052: Remove Varnish 4/5 support

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Description (*)

Varnish 6.0 is half a decade old. 4.x and 5.x have been EOL'd years ago and there shouldn't be any more distribution carrying those, there's no good reason to keep them around.

Contribution checklist (*)

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All new or changed code is covered with unit/integration tests (if applicable)
• README.md files for modified modules are updated and included in the pull request if any README.md predefined sections require an update
• All automated tests passed successfully (all builds are green)

[m2-assistant]

Hi @engcom-Hotel. Thank you for working on this issue.
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[engcom-Hotel]

Hello @gquintard,

Thanks for the report and collaboration!

There is nothing to confirm on this issue but its a good to remove the Varnish 4/5 support. Hence confirming this issue.

Thanks

[github-jira-sync-bot]

✅ Jira issue https://jira.corp.adobe.com/browse/AC-10739 is successfully created for this GitHub issue.

[m2-assistant]

✅ Confirmed by @engcom-Hotel. Thank you for verifying the issue.
Issue Available: @engcom-Hotel, You will be automatically unassigned. Contributors/Maintainers can claim this issue to continue. To reclaim and continue work, reassign the ticket to yourself.