build(deps): bump oras.land/oras-go/v2 from 2.2.0 to 2.2.1

Bumps [oras.land/oras-go/v2](https://github.com/oras-project/oras-go) from 2.2.0 to 2.2.1.
- [Release notes](https://github.com/oras-project/oras-go/releases)
- [Commits](oras-project/oras-go@v2.2.0...v2.2.1)

---
updated-dependencies:
- dependency-name: oras.land/oras-go/v2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

go.mod

@@ -2,10 +2,10 @@ module github.com/oras-project/oras-credentials-go
 
 go 1.19
 
-require oras.land/oras-go/v2 v2.2.0
+require oras.land/oras-go/v2 v2.2.1
 
 require (
 	github.com/opencontainers/go-digest v1.0.0 // indirect
-	github.com/opencontainers/image-spec v1.1.0-rc.3 // indirect
-	golang.org/x/sync v0.2.0 // indirect
+	github.com/opencontainers/image-spec v1.1.0-rc4 // indirect
+	golang.org/x/sync v0.3.0 // indirect
 )

go.sum

@@ -1,8 +1,8 @@
 github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8Oi/yOhh5U=
 github.com/opencontainers/go-digest v1.0.0/go.mod h1:0JzlMkj0TRzQZfJkVvzbP0HBR3IKzErnv2BNG4W4MAM=
-github.com/opencontainers/image-spec v1.1.0-rc.3 h1:GT9Xon8YrLxz6N7sErbN81V8J4lOQKGUZQmI3ioviqU=
-github.com/opencontainers/image-spec v1.1.0-rc.3/go.mod h1:X4pATf0uXsnn3g5aiGIsVnJBR4mxhKzfwmvK/B2NTm8=
-golang.org/x/sync v0.2.0 h1:PUR+T4wwASmuSTYdKjYHI5TD22Wy5ogLU5qZCOLxBrI=
-golang.org/x/sync v0.2.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-oras.land/oras-go/v2 v2.2.0 h1:E1fqITD56Eg5neZbxBtAdZVgDHD6wBabJo6xESTcQyo=
-oras.land/oras-go/v2 v2.2.0/go.mod h1:pXjn0+KfarspMHHNR3A56j3tgvr+mxArHuI8qVn59v8=
+github.com/opencontainers/image-spec v1.1.0-rc4 h1:oOxKUJWnFC4YGHCCMNql1x4YaDfYBTS5Y4x/Cgeo1E0=
+github.com/opencontainers/image-spec v1.1.0-rc4/go.mod h1:X4pATf0uXsnn3g5aiGIsVnJBR4mxhKzfwmvK/B2NTm8=
+golang.org/x/sync v0.3.0 h1:ftCYgMx6zT/asHUrPw8BLLscYtGznsLAnjq5RH9P66E=
+golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
+oras.land/oras-go/v2 v2.2.1 h1:3VJTYqy5KfelEF9c2jo1MLSpr+TM3mX8K42wzZcd6qE=
+oras.land/oras-go/v2 v2.2.1/go.mod h1:GeAwLuC4G/JpNwkd+bSZ6SkDMGaaYglt6YK2WvZP7uQ=