Merge pull request notaryproject#465 from Two-Hearts/release-1.3

Signed-off-by: Shiwei Zhang <[email protected]>

signer/signer.go

@@ -34,7 +34,7 @@ import (
 )
 
 // signingAgent is the unprotected header field used by signature.
-const signingAgent = "notation-go/1.3.0+unreleased"
+const signingAgent = "notation-go/1.3.0-rc.1"
 
 // GenericSigner implements notation.Signer and embeds signature.Signer
 type GenericSigner struct {