Cleanup after v1.2.0-alpha20220413 release

version/version.go

@@ -16,7 +16,7 @@ var Version = "1.2.0"
 // A pre-release marker for the version. If this is "" (empty string)
 // then it means that it is a final release. Otherwise, this is a pre-release
 // such as "dev" (in development), "beta", "rc1", etc.
-var Prerelease = "alpha20220413"
+var Prerelease = "dev"
 
 // SemVer is an instance of version.Version. This has the secondary
 // benefit of verifying during tests and init time that our version is a