Updated link to yup's localization guide (#4137)

Author: tom-knight

docs/src/pages/guide/i18n.mdx

@@ -13,7 +13,7 @@ import DocTip from '@/components/DocTip.vue';
 
 This guide only addresses generating error messages for [globally defined validators](/guide/global-validators) using vee-validate's own `@vee-validate/i18n` plugin.
 
-If you are using vee-validate with yup, then you should check out [yup's localization guide](https://github.com/jquense/yup#using-a-custom-locale-dictionary). If you are using another library for data validation, check their i18n capabilities.
+If you are using vee-validate with yup, then you should check out [yup's localization guide](https://github.com/jquense/yup#localization-and-i18n). If you are using another library for data validation, check their i18n capabilities.
 
 ## Global Message Generator