Release 1172 - Update F-Droid release process

[vgrassia]

Type of change

• Bug fix
• New feature development
• Tech debt (refactoring, code cleanup, dependency upgrades, etc)
• Build/deploy pipeline (DevOps)
• Other

Objective

This PR brings in the updates to the release workflow and config.yml for F-Droid that was used for the release.

Code changes

• .github/workflows/release.yml: Update F-Droid logic and make sure latest version is installed.
• store/fdroid/config.py: Deleted as it is deprecated.
• store/fdroid/config.yml: Updated using values from config.py.

Before you submit

• Please check for formatting errors (dotnet format --verify-no-changes) (required)
• Please add unit tests where it makes sense to do so (encouraged but not required)
• If this change requires a documentation update - notify the documentation team
• If this change has particular deployment requirements - notify the DevOps team