Update docker.io/matomo Docker tag to v5.2.0

No problems automatically updating the Docker image, migrating the application manually and run the container by Watchtower with dependency update facilitated by Mend's Renovate Bot.

This MR contains the following updates:

Package	Update	Change
docker.io/matomo	minor	`5.1.2` -> `5.2.0`

Release Notes

matomo-org/matomo (docker.io/matomo)

`v5.2.0`

Compare Source

Breaking Changes

The MultiSites API has been reworked. The previously incorrectly named metrics for the previous period now have correct names:
- previous_Actions_nb_pageviews => previous_nb_pageviews
- previous_Goal_revenue => previous_revenue
- previous_Goal_nb_conversions => previous_nb_conversions
- previous_Goal_0_nb_conversions => previous_orders
- previous_Goal_0_revenue => previous_ecommerce_revenue