Release 2.4.2

Major Features and Improvements

• TensorFlow Serving using TensorFlow 2.4.2.

Breaking Changes

Bug Fixes and Other Changes

• Enable download of TF Serving sources at arbitrary commit for GPU/MKL docker images. (commit: 4725d90)
• Fix TensorFlow serving build issue for MKL dockerfiles (commit: 4246080)
• Update version for 2.4.2 release. (commit: a6d405e)