Merge pull request tensorflow#52930 from tensorflow-jenkins/version-n…

…umbers-2.6.2-13081

Update version numbers for TensorFlow 2.6.2

Merge pull request tensorflow#52891 from tensorflow/mm-update-relnotes

Add security updates to relnotes

Merge pull request tensorflow#52889 from tensorflow/fix-build-1-on-r2.6

Upper bound `tensorflow_estimator` to match release

Merge pull request tensorflow#52873 from tensorflow-jenkins/relnotes-…

…2.5.2-20787

Update release notes for TensorFlow 2.5.2

Merge pull request tensorflow#52872 from tensorflow-jenkins/relnotes-…

…2.4.4-12739

Update release notes for TensorFlow 2.4.4

Merge pull request tensorflow#52585 from tensorflow/revert-52582-cher…

…rypick-f2ebf3d6e1bf463b211b72b68fea4e085672c09b-on-r2.7

Revert "Disabling some tests as they fail with numpy 1.20"

Merge pull request tensorflow#52247 from tensorflow/cherrypick2-15e88…

…399ce014ed7dbcf6d540225ddf8a3baf5b4-on-r2.7

PSv2: Disable parameter_server_strategy_v2_test on macos to unblock 2…

Add cleandep

Add cleandep

Merge pull request tensorflow#51398 from tensorflow-jenkins/version-n…

…umbers-2.6.0-30580

Update version numbers for TensorFlow 2.6.0