chore(deps): bump github.com/multiformats/go-varint from 0.0.6 to 0.0.7

Bumps [github.com/multiformats/go-varint](https://github.com/multiformats/go-varint) from 0.0.6 to 0.0.7.
- [Release notes](https://github.com/multiformats/go-varint/releases)
- [Commits](https://github.com/multiformats/go-varint/compare/v0.0.6...v0.0.7)

---
updated-dependencies:
- dependency-name: github.com/multiformats/go-varint
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

go.mod

@@ -3,7 +3,7 @@ module github.com/ipfs/go-cid
 require (
 	github.com/multiformats/go-multibase v0.2.0
 	github.com/multiformats/go-multihash v0.2.1
-	github.com/multiformats/go-varint v0.0.6
+	github.com/multiformats/go-varint v0.0.7
 )
 
 require (