Update release notes and version for TFMOT release 0.8.1.

 - Make requirements.txt align with setup.py.
 - Mark broken tests (with tf-nightly) as TODOs.

PiperOrigin-RevId: 914383222

Update release notes and version for TFMOT release 0.8.0.

PiperOrigin-RevId: 605154755

Block epr_test until deps issue is resolved.

PiperOrigin-RevId: 535460894

Update release notes and version for TFMOT release 0.7.4.

PiperOrigin-RevId: 521333264

Update release notes and version for TFMOT release 0.7.3.

PiperOrigin-RevId: 462089248

Update release notes for version 0.7.2.

PiperOrigin-RevId: 435666792

Support quantization of gelu activation

PiperOrigin-RevId: 424128991

Update release notes

PiperOrigin-RevId: 399889529

Merge pull request #712 from wwwind:clustering_release_notes_2105

PiperOrigin-RevId: 379953351

Merge pull request #703 from SaoirseARM:toupstream/cluster_results_up…

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PiperOrigin-RevId: 373091223