Chore: Extract server lock error so it can be used with errors.As (#58899)

chore: extract server lock Error so it can be used with error.As

pkg/infra/serverlock/errors.go

@@ -0,0 +1,9 @@
+package serverlock
+
+type ServerLockExistsError struct {
+	actionName string
+}
+
+func (e *ServerLockExistsError) Error() string {
+	return "there is already a lock for this actionName: " + e.actionName
+}