message: Update tensorboard dependency to 2.6.x and and tb-nightly dependency to 2.7.x.
diff: @@ -101,7 +101,7 @@ REQUIRED_PACKAGES = [
  # These need to be in sync with the existing TF version
  # They are updated during the release process
  # When updating these, please also update the nightly versions below
  - 'tensorboard ~= 2.5',
  + 'tensorboard ~= 2.6',
  'tensorflow-estimator >= 2.6.0rc0 , < 2.7.0',
  'keras >= 2.6.0rc1 , < 2.7.0',
  ]
  @@ -115,7 +115,7 @@ REQUIRED_PACKAGES = [
  if 'tf_nightly' in project_name:
  for i, pkg in enumerate(REQUIRED_PACKAGES):
  if 'tensorboard' in pkg:
  - REQUIRED_PACKAGES[i] = 'tb-nightly ~= 2.6.0.a'
  + REQUIRED_PACKAGES[i] = 'tb-nightly ~= 2.7.0.a'
  elif 'tensorflow_estimator' in pkg:
  REQUIRED_PACKAGES[i] = 'tf-estimator-nightly ~= 2.6.0.dev'
  elif 'keras' in pkg and 'keras_preprocessing' not in pkg:
  