reticulate 1.36.1

• Fix issue where py_to_r() method for Pandas DataFrames would error
  if py_to_r() S3 methods were defined for Pandas subtypes,
  (as done by {anndata}) (#1591).

• "Python Dependencies" vignette edits (@salim-b, #1586)

• Added an option for extra command-line arguments in
  conda_create() and conda_install() (#1585).

• Fixed issue where conda_install() would ignore user-specified
  channels during Python installation (#1594).