Update release/v1.28.0 ServerVersion tag (#7974)

## What changed?
- Update `release/v1.28.0` server version

Author: lina-temporal

common/headers/version_checker.go

@@ -24,7 +24,7 @@ const (
 
 	// ServerVersion value can be changed by the create-tag Github workflow.
 	// If you change the var name or move it, be sure to update the workflow.
-	ServerVersion = "1.28.0-134.4"
+	ServerVersion = "1.28.0"
 
 	// SupportedServerVersions is used by CLI and inter role communication.
 	SupportedServerVersions = ">=1.0.0 <2.0.0"