ParquetSharp 12.0.1

This version of ParquetSharp is identical to 12.0.1-beta1, which has been promoted to stable.

What's Changed

• Fix using internal F# types with the row oriented API by @adamreeve in #332
• Use ISO 8601 date format for Date.ToString by @adamreeve in #330
• Allow setting process-wide default writer properties by @adamreeve in #337
• Don't retry writing in Dispose after encountering an error in ParquetRowWriter by @adamreeve in #344
• Defer checking decimal precision and type length until creating converter by @adamreeve in #348
• Add WriteRowSpan method to ParquetRowWriter by @adamreeve in #349
• Upgrade to Arrow 12.0.1 by @adamreeve in #356

Misc

• Update benchmark code and results by @adamreeve in #341
• Update nested data documentation by @adamreeve in #342
• remove deprecated ubuntu-18.04 runners by @ljubon in #346
• Document lack of Int96 timestamp support by @adamreeve in #331

Full Changelog: 10.0.1...12.0.1