Support for eu-south-1 region

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**Tell us about your request**
What do you want us to build?

Make the service available in eu-south-1. At the moment the latency from eu-west-1 is unacceptable, all our stack is in eu-south-1.

**Describe alternatives you've considered**
A clear and concise description of any alternative solutions or features you've considered.

GCP Cloud Run in our region.

**Additional context**
Anything else we should know?

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This roadmap issue requests AWS App Runner availability in eu-south-1 because the current eu-west-1 latency is unacceptable. Start by reviewing AWS App Runner's regional availability and the repository's roadmap process; the request is complete when the service is available in eu-south-1.

Written by the indexing model from the issue text.