Update actions/labeler action to v5

[staff-infrastructure-moj]

This PR contains the following updates:

Package	Type	Update	Change
actions/labeler	action	major	v4 -> v5

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Release Notes

actions/labeler (actions/labeler)

### [`v5`](https://togithub.com/actions/labeler/compare/v4...v5) [Compare Source](https://togithub.com/actions/labeler/compare/v4...v5)

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