Merge branch 'feature/grdb6' into 'development'

Package.resolved

Package.swift

Sources/XXDatabase/Models/Message+GRDB.swift

Sources/XXLegacyDatabaseMigrator/Legacy/Contact.swift

Sources/XXLegacyDatabaseMigrator/Legacy/FileTransfer.swift

Sources/XXLegacyDatabaseMigrator/Legacy/Group.swift

Sources/XXLegacyDatabaseMigrator/Legacy/GroupMember.swift

Sources/XXLegacyDatabaseMigrator/Legacy/GroupMessage.swift

Sources/XXLegacyDatabaseMigrator/Legacy/Message.swift

Tests/XXDatabaseTests/Database+GRDBTests.swift

Tests/XXDatabaseTests/Group+GRDBTests.swift

Tests/XXDatabaseTests/GroupMember+GRDBTests.swift

Tests/XXLegacyDatabaseMigratorTests/MigratorTests.swift