fix: update user permissions validation was not working properly, fixes #8977

pkg/api/dtos/user.go

@@ -31,7 +31,7 @@ type AdminUpdateUserPasswordForm struct {
 }
 
 type AdminUpdateUserPermissionsForm struct {
-	IsGrafanaAdmin bool `json:"isGrafanaAdmin" binding:"Required"`
+	IsGrafanaAdmin bool `json:"isGrafanaAdmin"`
 }
 
 type AdminUserListItem struct {