Make migration planning deterministic and dry runs read-only - #173

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-dotnet@v4, actions/upload-artifact@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

'ColumnProperty.Indexed' is obsolete: 'Use method 'AddIndex''

'ColumnProperty.Indexed' is obsolete: 'Use method 'AddIndex''

'ColumnProperty.PrimaryKey' is obsolete: 'Use AddPrimaryKey instead.'

'ColumnProperty.PrimaryKey' is obsolete: 'Use AddPrimaryKey instead.'

'ColumnProperty.Indexed' is obsolete: 'Use method 'AddIndex''

Obsolete member 'SQLiteTransformationProvider.AddTable(string, string, string)' overrides non-obsolete member 'TransformationProvider.AddTable(string, string, string)'

'SQLiteColumnPropertiesMapper.AddValueIfSelected(Column, ColumnProperty, ICollection<string>)' hides inherited member 'ColumnPropertiesMapper.AddValueIfSelected(Column, ColumnProperty, ICollection<string>)'. To make the current member override that implementation, add the override keyword. Otherwise add the new keyword.

'ColumnProperty.PrimaryKey' is obsolete: 'Use AddPrimaryKey instead.'

'ColumnProperty.PrimaryKey' is obsolete: 'Use AddPrimaryKey instead.'