Bump backporting to version 4.5.2

[lampajr]

Fixes Issue

As part f the #1423 resolution

Changes proposed

Bump backporting to the latest version that runs on node20, therefore removing the following warning:

[run](https://github.com/Hyperfoil/Horreum/actions/runs/8214138182/job/22466298403)
Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: wow-actions/welcome@v1. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

Check List (Check all the applicable boxes)

• My code follows the code style of this project.
• My change requires changes to the documentation.
• I have updated the documentation accordingly.
• All new and existing tests passed.