Bump github.com/ipfs/go-datastore from 0.4.1 to 0.4.2

Bumps [github.com/ipfs/go-datastore](https://github.com/ipfs/go-datastore) from 0.4.1 to 0.4.2.
- [Release notes](https://github.com/ipfs/go-datastore/releases)
- [Commits](https://github.com/ipfs/go-datastore/compare/v0.4.1...v0.4.2)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

go.mod

@@ -2,7 +2,7 @@ module github.com/libp2p/go-libp2p-pubsub-router
 
 require (
 	github.com/gogo/protobuf v1.3.1
-	github.com/ipfs/go-datastore v0.4.1
+	github.com/ipfs/go-datastore v0.4.2
 	github.com/ipfs/go-ipfs-ds-help v0.0.1
 	github.com/ipfs/go-log v0.0.1
 	github.com/libp2p/go-libp2p-blankhost v0.1.4

go.sum

@@ -82,6 +82,8 @@ github.com/ipfs/go-datastore v0.3.1 h1:SS1t869a6cctoSYmZXUk8eL6AzVXgASmKIWFNQkQ1
 github.com/ipfs/go-datastore v0.3.1/go.mod h1:w38XXW9kVFNp57Zj5knbKWM2T+KOZCGDRVNdgPHtbHw=
 github.com/ipfs/go-datastore v0.4.1 h1:W4ZfzyhNi3xmuU5dQhjfuRn/wFuqEE1KnOmmQiOevEY=
 github.com/ipfs/go-datastore v0.4.1/go.mod h1:SX/xMIKoCszPqp+z9JhPYCmoOoXTvaa13XEbGtsFUhA=
+github.com/ipfs/go-datastore v0.4.2 h1:h8/n7WPzhp239kkLws+epN3Ic7YtcBPgcaXfEfdVDWM=
+github.com/ipfs/go-datastore v0.4.2/go.mod h1:SX/xMIKoCszPqp+z9JhPYCmoOoXTvaa13XEbGtsFUhA=
 github.com/ipfs/go-ds-badger v0.0.2/go.mod h1:Y3QpeSFWQf6MopLTiZD+VT6IC1yZqaGmjvRcKeSGij8=
 github.com/ipfs/go-ds-badger v0.0.5/go.mod h1:g5AuuCGmr7efyzQhLL8MzwqcauPojGPUaHzfGTzuE3s=
 github.com/ipfs/go-ds-leveldb v0.0.1/go.mod h1:feO8V3kubwsEF22n0YRQCffeb79OOYIykR4L04tMOYc=