Canu-Updated to lastest version:1.7.1 (#9413)
Canu-Updated to lastest version:1.7.1 (#9413)

* Canu-Updated to lastest version:1.7.1

* canu: added sha256 hash as comment above version

* canu: changed to sha256

LLNL/spack,iulian787/spack,iulian787/spack,LLNL/spack,iulian787/spack,LLNL/spack,LLNL/spack,LLNL/spack,iulian787/spack,iulian787/spack