Small changes for next major release

[david22swan]

A list of small backwards incompatible changes that should be included when we next do a major release, any changes listed here are from bugs that have been given compatible fixes for now:

• $proxy_timeout in manifest/mod/proxy should have the type Optional[Integer[0]]
  https://github.com/puppetlabs/puppetlabs-apache/blob/main/manifests/mod/proxy.pp#L33, also cas_timeout and cas_idle_timeout

[traylenator]

Some more.

• apache::vhost::request_headers was supported as string as well as an array however only documented as an array - so could be ignored.

[github-actions]

Hello! 👋

This issue has been open for a while and has had no recent activity. We've labelled it with attention-needed so that we can get a clear view of which issues need our attention.

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Alternatively, if it is no longer relevant to you please close the issue with a comment.

[david22swan]

Linking: #2350