Update changelog for 0.54.1 release
Update changelog for 0.54.1 release

cpcloud/numba,seibert/numba,numba/numba,cpcloud/numba,seibert/numba,numba/numba,cpcloud/numba,seibert/numba,cpcloud/numba,numba/numba,numba/numba,IntelLabs/numba,seibert/numba,IntelLabs/numba,IntelLabs/numba,seibert/numba,IntelLabs/numba,IntelLabs/numba,cpcloud/numba,numba/numba