Remove 4.0 beta issue template, updated guide link to regular templates

[rcskosir]

Community Note

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• Please do not leave comments along the lines of "+1", "me too" or "any updates", they generate extra noise for PR followers and do not help prioritize for review

Description

Removing the beta 4.0 issue template, since new issues related to 4.0 should be opened as a feature request or bug and will be triaged as such. Updated the 4.0 guide to redirect any feedback to the normal list of Issue templates.

PR Checklist

• I have followed the guidelines in our Contributing Documentation.
• I have checked to ensure there aren't other open Pull Requests for the same update/change.
• I have checked if my changes close any open issues. If so please include appropriate closing keywords below.
• I have updated/added Documentation as required written in a helpful and kind way to assist users that may be unfamiliar with the resource / data source.
• I have used a meaningful PR title to help maintainers and other users understand this change and help prevent duplicate work.
  For example: “resource_name_here - description of change e.g. adding property new_property_name_here”

Change Log

Below please provide what should go into the changelog (if anything) conforming to the Changelog Format documented here.

This is a (please select all that apply):

• Bug Fix
• New Feature (ie adding a service, resource, or data source)
• Enhancement
• Breaking Change

Note

If this PR changes meaningfully during the course of review please update the title and description as required.

[stephybun]

Thanks @rcskosir LGTM 💯

[github-actions]

I'm going to lock this pull request because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active contributions.
If you have found a problem that seems related to this change, please open a new issue and complete the issue template so we can capture all the details necessary to investigate further.