version: bump version to v0.15.1-alpha.rc1

Author: guggero

version.go

@@ -34,11 +34,11 @@ const semanticAlphabet = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqr
 const (
 	appMajor uint = 0
 	appMinor uint = 15
-	appPatch uint = 0
+	appPatch uint = 1
 
 	// appPreRelease MUST only contain characters from semanticAlphabet per
 	// the semantic versioning spec.
-	appPreRelease = "alpha"
+	appPreRelease = "alpha.rc1"
 )
 
 // Version returns the application version as a properly formed string per the