function reportSlotScope(scopeAttr) {
      context.report({
        node: scopeAttr.key,
        messageId: 'forbiddenSlotScopeAttribute',
        fix(fixer) {
          if (!fixToUpgrade) {
            return null
          }
          // fix to use `v-slot`
          const startTag = scopeAttr.parent
          if (!canConvertToVSlot(startTag)) {
            return null
          }
          return fixSlotScopeToVSlot(fixer, scopeAttr)
        }
      })
    }
Reports `slot-scope` node
@param {VDirective} scopeAttr node of `slot-scope`
@returns {void}