v1.6.2: Patch release

Hotfixes

• Support generation config in ORTModel by @fxmarty in #651

Regressions

The export of speech-to-text architecture as a single ONNX file (that handles both the encoding and decoding) fails do to a regression with the latest transformers version: #721

Full Changelog: v1.6.1...v1.6.2