Bump github.com/ipfs/go-ipld-format from 0.4.0 to 0.6.0

Bumps [github.com/ipfs/go-ipld-format](https://github.com/ipfs/go-ipld-format) from 0.4.0 to 0.6.0.
- [Release notes](https://github.com/ipfs/go-ipld-format/releases)
- [Commits](ipfs/go-ipld-format@v0.4.0...v0.6.0)

---
updated-dependencies:
- dependency-name: github.com/ipfs/go-ipld-format
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

go.mod

@@ -16,7 +16,7 @@ require (
 	golang.org/x/oauth2 v0.8.0
 )
 
-require github.com/ipfs/go-ipld-format v0.4.0
+require github.com/ipfs/go-ipld-format v0.6.0
 
 require (
 	bazil.org/fuse v0.0.0-20200117225306-7b5117fecadc // indirect

go.sum

@@ -389,8 +389,8 @@ github.com/ipfs/go-ipld-cbor v0.0.6 h1:pYuWHyvSpIsOOLw4Jy7NbBkCyzLDcl64Bf/LZW7eB
 github.com/ipfs/go-ipld-cbor v0.0.6/go.mod h1:ssdxxaLJPXH7OjF5V4NSjBbcfh+evoR4ukuru0oPXMA=
 github.com/ipfs/go-ipld-format v0.0.1/go.mod h1:kyJtbkDALmFHv3QR6et67i35QzO3S0dCDnkOJhcZkms=
 github.com/ipfs/go-ipld-format v0.2.0/go.mod h1:3l3C1uKoadTPbeNfrDi+xMInYKlx2Cvg1BuydPSdzQs=
-github.com/ipfs/go-ipld-format v0.4.0 h1:yqJSaJftjmjc9jEOFYlpkwOLVKv68OD27jFLlSghBlQ=
-github.com/ipfs/go-ipld-format v0.4.0/go.mod h1:co/SdBE8h99968X0hViiw1MNlh6fvxxnHpvVLnH7jSM=
+github.com/ipfs/go-ipld-format v0.6.0 h1:VEJlA2kQ3LqFSIm5Vu6eIlSxD/Ze90xtc4Meten1F5U=
+github.com/ipfs/go-ipld-format v0.6.0/go.mod h1:g4QVMTn3marU3qXchwjpKPKgJv+zF+OlaKMyhJ4LHPg=
 github.com/ipfs/go-ipld-git v0.1.1 h1:TWGnZjS0htmEmlMFEkA3ogrNCqWjIxwr16x1OsdhG+Y=
 github.com/ipfs/go-ipld-git v0.1.1/go.mod h1:+VyMqF5lMcJh4rwEppV0e6g4nCCHXThLYYDpKUkJubI=
 github.com/ipfs/go-ipld-legacy v0.1.1 h1:BvD8PEuqwBHLTKqlGFTHSwrwFOMkVESEvwIYwR2cdcc=