Merge pull request #23 from ipfs/dependabot/go_modules/github.com/multiformats/go-multihash-0.0.13

Bump github.com/multiformats/go-multihash from 0.0.9 to 0.0.13

go.mod

@@ -3,5 +3,5 @@ module github.com/ipfs/go-block-format
 require (
 	github.com/ipfs/go-cid v0.0.5
 	github.com/ipfs/go-ipfs-util v0.0.1
-	github.com/multiformats/go-multihash v0.0.9
+	github.com/multiformats/go-multihash v0.0.13
 )