fix(docs): point stopwords link to GitHub repo instead of inactive website (#3296)

Author: endelwar

reference/api/settings.mdx

@@ -2127,7 +2127,7 @@ Updating stop words will re-index all documents in the index, which can take som
 <Tip>
 Stop words are strongly related to the language used in your dataset. For example, most datasets containing English documents will have countless occurrences of `the` and `of`. Italian datasets, instead, will benefit from ignoring words like `a`, `la`, or `il`.
 
-[This website maintained by a French developer](https://sites.google.com/site/kevinbouge/stopwords-lists) offers lists of possible stop words in different languages. Note that, depending on your dataset and use case, you will need to tweak these lists for optimal results.
+[This open-source project on GitHub](https://github.com/stopwords-iso/stopwords-iso) offers lists of possible stop words in different languages. Note that, depending on your dataset and use case, you will need to tweak these lists for optimal results.
 </Tip>
 
 ### Get stop words