Merge branch 'tnir/doc/development/fe_guide/graphql.md-because' into 'master'

Fix typo in Frontend GraphQL development guide

See merge request gitlab-org/gitlab!59099

doc/development/fe_guide/graphql.md

@@ -815,7 +815,7 @@ apollo: {
 },
 ```
 
-Then, becasue Etags depend on the request being a `GET` instead of GraphQL's usual `POST`, but our default link library does not support `GET` we need to let our defaut Apollo client know to use a different library.
+Then, because Etags depend on the request being a `GET` instead of GraphQL's usual `POST`, but our default link library does not support `GET` we need to let our defaut Apollo client know to use a different library.
 
 ```javascript
 /* componentMountIndex.js */