feat: [PAGOPA-2625] Defining FdR-Fase3 PostgreSQL infra and all related pipelines

[andrea-deri]

This PR contains the definition of a new resource for FdR project. In detail, the changes are related to the definition of a new PostgreSQL database for FdR-Fase3 context. The new database is included in the same PostgreSQL Flexible Server of the FdR-Fase1 DB, in order to use the same context and reduce the proliferation of different servers.
In order to define the schema, tables, indexes and more, the PR also contains the definition of the needed resources via Liquibase XML file, adding new Azure DevOps pipelines for automatize processes and applies.

List of changes

• Defined a new PostgreSQL DB resource on same Flexible Server of FdR1's DB
• Added Liquibase file for the creation of DB schema and related objects
• Added Azure DevOps pipelines for DB init and migration

Motivation and context

These changes are required in order to migrate FdR-Fase3 persistence on PostgreSQL database.

Type of changes

• Add new resources
• Update configuration to existing resources
• Remove existing resources

Does this introduce a change to production resources with possible user impact?

• Yes, users may be impacted applying this change
• No

Does this introduce an unwanted change on infrastructure? Check terraform plan execution result

• Yes
• No

Other information

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If PR is partially applied, why? (reserved to mantainers)

[github-actions]

🎉 This PR is included in version 1.379.0 🎉

The release is available on GitHub release

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