Bump github.com/multiformats/go-multihash from 0.0.6 to 0.0.8

Bumps [github.com/multiformats/go-multihash](https://github.com/multiformats/go-multihash) from 0.0.6 to 0.0.8.
- [Release notes](https://github.com/multiformats/go-multihash/releases)
- [Commits](multiformats/go-multihash@v0.0.6...v0.0.8)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

go.mod

@@ -9,5 +9,5 @@ require (
 	github.com/ipfs/go-ipld-cbor v0.0.2
 	github.com/ipfs/go-ipld-format v0.0.2
 	github.com/ipfs/go-merkledag v0.1.0
-	github.com/multiformats/go-multihash v0.0.6
+	github.com/multiformats/go-multihash v0.0.8
 )

go.sum

@@ -180,6 +180,8 @@ github.com/minio/sha256-simd v0.0.0-20190131020904-2d45a736cd16/go.mod h1:2FMWW+
 github.com/minio/sha256-simd v0.0.0-20190328051042-05b4dd3047e5/go.mod h1:2FMWW+8GMoPweT6+pI63m9YE3Lmw4J71hV56Chs1E/U=
 github.com/minio/sha256-simd v0.1.0 h1:U41/2erhAKcmSI14xh/ZTUdBPOzDOIfS93ibzUSl8KM=
 github.com/minio/sha256-simd v0.1.0/go.mod h1:2FMWW+8GMoPweT6+pI63m9YE3Lmw4J71hV56Chs1E/U=
+github.com/minio/sha256-simd v0.1.1-0.20190913151208-6de447530771 h1:MHkK1uRtFbVqvAgvWxafZe54+5uBxLluGylDiKgdhwo=
+github.com/minio/sha256-simd v0.1.1-0.20190913151208-6de447530771/go.mod h1:B5e1o+1/KgNmWrSQK08Y6Z1Vb5pwIktudl0J58iy0KM=
 github.com/mr-tron/base58 v1.1.0/go.mod h1:xcD2VGqlgYjBdcBLw+TuYLr8afG+Hj8g2eTVqeSzSU8=
 github.com/mr-tron/base58 v1.1.1/go.mod h1:xcD2VGqlgYjBdcBLw+TuYLr8afG+Hj8g2eTVqeSzSU8=
 github.com/mr-tron/base58 v1.1.2 h1:ZEw4I2EgPKDJ2iEw0cNmLB3ROrEmkOtXIkaG7wZg+78=
@@ -202,6 +204,8 @@ github.com/multiformats/go-multihash v0.0.1/go.mod h1:w/5tugSrLEbWqlcgJabL3oHFKT
 github.com/multiformats/go-multihash v0.0.5/go.mod h1:lt/HCbqlQwlPBz7lv0sQCdtfcMtlJvakRUn/0Ual8po=
 github.com/multiformats/go-multihash v0.0.6 h1:cAVKO4epVd+SSpYJQD6d3vbdqQJvsrtGbTGzsp+V094=
 github.com/multiformats/go-multihash v0.0.6/go.mod h1:XuKXPp8VHcTygube3OWZC+aZrA+H1IhmjoCDtJc7PXM=
+github.com/multiformats/go-multihash v0.0.8 h1:wrYcW5yxSi3dU07n5jnuS5PrNwyHy0zRHGVoUugWvXg=
+github.com/multiformats/go-multihash v0.0.8/go.mod h1:YSLudS+Pi8NHE7o6tb3D8vrpKa63epEDmG8nTduyAew=
 github.com/multiformats/go-multistream v0.1.0 h1:UpO6jrsjqs46mqAK3n6wKRYFhugss9ArzbyUzU+4wkQ=
 github.com/multiformats/go-multistream v0.1.0/go.mod h1:fJTiDfXJVmItycydCnNx4+wSzZ5NwG2FEVAI30fiovg=
 github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=