Release v0.5.1

[aschmahmann]

No description provided.

[github-actions]

Suggested version: v0.5.1
Comparing to: v0.5.0 (diff)

Changes in go.mod file(s):

(empty)

gorelease says:

# github.com/ipfs/go-datastore
## incompatible changes
(*NullDatastore).Batch: changed from func() (Batch, error) to func(context.Context) (Batch, error)

# summary
Suggested version: v0.6.0

gocompat says:

"github.com/ipfs/go-datastore".NullDatastore.Batch MethodSignatureChanged

[aschmahmann]

Note: We are releasing as v0.5.1, because the breaking change here should actually have been part of v0.5.0.