Update change log with fixes from 0.47.0 RC period.
Update change log with fixes from 0.47.0 RC period.

As title.

seibert/numba,numba/numba,numba/numba,sklam/numba,sklam/numba,seibert/numba,sklam/numba,IntelLabs/numba,stuartarchibald/numba,stuartarchibald/numba,stuartarchibald/numba,cpcloud/numba,IntelLabs/numba,gmarkall/numba,cpcloud/numba,numba/numba,gmarkall/numba,seibert/numba,gmarkall/numba,stonebig/numba,seibert/numba,gmarkall/numba,cpcloud/numba,IntelLabs/numba,gmarkall/numba,sklam/numba,numba/numba,stonebig/numba,IntelLabs/numba,cpcloud/numba,IntelLabs/numba,stonebig/numba,sklam/numba,cpcloud/numba,stuartarchibald/numba,stonebig/numba,stonebig/numba,numba/numba,seibert/numba,stuartarchibald/numba