[Draft] Defined a workflow for automatically creating and assigning issues about blog post on a new version release.

[bexxmodd]

What type of PR is this?
/kind feature

What this PR does / why we need it:
Creates a workflow that upon new version release generates an issue and assigns to a user from a defined list of user ids who will be responsible for blog post publishing.

Selection happens based on a round robin system.

The workflow also updates the yml file that has predefined list of users to keep a track of who was the last assignee.

This is proof of concept and still requires small changes on how to differentiate between Standard/Experimental and minor/patch version releases.

Tested on a dummy repo: bexxmodd/wcnt#15 and here's the successful run

Which issue(s) this PR fixes:
Fixes #4244

Does this PR introduce a user-facing change?:

NONE

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: bexxmodd
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[bexxmodd]

/cc @kflynn

[k8s-ci-robot]

@bexxmodd: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-gateway-api-verify	8d09c39	link	true	/test pull-gateway-api-verify

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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