[it] Rinomina termine Microservices in Microservices Architecture

- [ ] verificare i tags
- [ ] verificare i contenuti
- [ ] aggiornare i riferimenti in
- application-programming-interface.md
- mutual-transport-layer-security.md
- platform-as-a-service.md
- service-mesh.md

Start by searching the glossary for “Microservices” and inspect its tags and content. Review application-programming-interface.md, mutual-transport-layer-security.md, platform-as-a-service.md, and service-mesh.md; done means the term is consistently renamed to “Microservices Architecture” and all listed references are updated.

Written by the indexing model from the issue text.