Make `tokenize` work in a FIPS 140-2 environment (#8762)
Make `tokenize` work in a FIPS 140-2 environment (#8762)

Python 3.9 added a `usedforsecurity` kwarg to mark uses of algorithms as
not relevant for security. `tokenize` is not security relevant, and
should work regardless of FIPS restrictions. We set
`usedforsecurity=False` for Python 3.9+.
dask/dask,jakirkham/dask,jakirkham/dask,dask/dask