Package Alembic Migrations And Synchronize Release Versions

[Dumdart]

Summary

Move Alembic migrations into the installable package so database upgrades work from packaged distributions, and synchronize the project, plugin, marketplace, and server versions to 1.1.3.

Changes

Bug Fixes

• Resolve Alembic configuration and migration paths from the installed database package.

Features

• Add a release script for updating all application version sources.
• Add tests covering version migration and package-local Alembic configuration.

Refactoring

• Relocate Alembic configuration, environment, templates, and revisions under the database package.

Improvements

• Include Alembic assets and migration files in package data.
• Update release metadata to version 1.1.3.

Testing

• Added regression tests for packaged migration paths and automated version updates.
• Not run (not requested).