ci: add codeowners template

[sljory]

Bypassing to update codeowners, PR has been apprved but this particular repo also requires an unrelated status check to pass that is failing at the moment. The failure is not impacting and it is safe to approve the PR

Why?

An up to date and accurate codeowners file is requirement for the Github Security Standard that was enforced on January 8th 2024.
This PR has been raised by the Product Security Engineering team as no CODEOWNERS file was found in this repository. The benefit of the CODEOWNERS file is to be able to easily identify who owns this code and enables automatic peer reviewer assignment when a PR is raised.

"A CODEOWNERS file must be included within the repository and contain at least 1
Codeowner or member of the relevant codeowning team or group. The codeowner(s)
must be justifiable based on the codeowner's direct involvement in the repository" - Github Security Standard

Alternatively, this repository can be archived by making a request in #repo_lost-and-found

What you need to do (How to review)?

Currently the CODEOWNERS is blank.

1. Please edit the file to add in the name of the codeowner(s)
2. Merge the PR

If this PR was raised by mistake and a CODEOWNERS file is not needed, feel free to close this PR.

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Further info

Guidance on the syntax is included in the github CODEOWNERS Documentation

JIRA: PSC-824

#Github-Security-Standard

Github Security Standard Documents and FAQ

[sljory]

Codeowners is a requirement of the Github Security Standard
From January 8th, 2024 "A CODEOWNERS file must be included within the repository and contain at
least 1 Codeowner or member of the relevant codeowning team or group."

[sljory]

Bypassing to enable codeowners configuration to be updated. Test failure is unrelated and accepted failure

[sljory]

Bypassing to enable codeowners configuration to be updated. Test failure is unrelated and accepted failure