[TensorRT EP] TRT 8.6 minor version update (#16475)
### Description
* Minor version update: TRT 8.6.0.12->8.6.1.6
* CI pipeline ymls/dockerfiles are updated
* cgmanifest.json/deps.txt/download-deps.yml are updated; Win trt
binaries uploaded to [win img
307029](https://aiinfra.visualstudio.com/AI%20Infra%20Management/_build/results?buildId=307029&view=results)
* Re-enable unit tests which were failed in 8.6.0 and re-gained support
in 8.6.1
