Update CHANGE_LOG for 0.52.0rc2
Update CHANGE_LOG for 0.52.0rc2

As title.

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