TypeScript generator is generating files with mixed line endings

[mikoro]

It seems that the TypeScript files generated contain mixed line endings. I think the correct approach is to make sure that the source files that are used to generate the output do not have mixed line endings (especially when using @"" multiline strings) and that whenever formatting strings, always use Environment.NewLine.

[github-actions]

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[filzrev]

I thought it needs to normalize line ending chars when outputting generated sources.
That similar to Cysharp/ConsoleAppFramework#167

I though generated TypeScript files should use LF as line ending chars.
Because // <auto-generated/> comment supports seems not exists for TypeScript files.
And it might cause .editorconfig/ Linter warnings.