Bump github.com/multiformats/go-multihash from 0.0.8 to 0.0.9

Bumps [github.com/multiformats/go-multihash](https://github.com/multiformats/go-multihash) from 0.0.8 to 0.0.9.
- [Release notes](https://github.com/multiformats/go-multihash/releases)
- [Commits](https://github.com/multiformats/go-multihash/compare/v0.0.8...v0.0.9)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

go.mod

@@ -3,7 +3,7 @@ module github.com/ipfs/go-cidutil
 require (
 	github.com/ipfs/go-cid v0.0.3
 	github.com/multiformats/go-multibase v0.0.1
-	github.com/multiformats/go-multihash v0.0.8
+	github.com/multiformats/go-multihash v0.0.9
 )
 
 go 1.12

go.sum

@@ -24,6 +24,8 @@ github.com/multiformats/go-multihash v0.0.1 h1:HHwN1K12I+XllBCrqKnhX949Orn4oawPk
 github.com/multiformats/go-multihash v0.0.1/go.mod h1:w/5tugSrLEbWqlcgJabL3oHFKTwfvkofsjW2Qa1ct4U=
 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-multihash v0.0.9 h1:aoijQXYYl7Xtb2pUUP68R+ys1TlnlR3eX6wmozr0Hp4=
+github.com/multiformats/go-multihash v0.0.9/go.mod h1:YSLudS+Pi8NHE7o6tb3D8vrpKa63epEDmG8nTduyAew=
 github.com/spaolacci/murmur3 v1.1.0 h1:7c1g84S4BPRrfL5Xrdp6fOJ206sU9y293DDHaoy0bLI=
 github.com/spaolacci/murmur3 v1.1.0/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
 golang.org/x/crypto v0.0.0-20190211182817-74369b46fc67 h1:ng3VDlRp5/DHpSWl02R4rM9I+8M2rhmsuLwAMmkLQWE=