feat(queryClient): add setQueriesData utility

improve docs

Author: TkDodo

docs/src/pages/reference/QueryClient.md

@@ -188,7 +188,7 @@ queryClient.setQueryData(queryKey, updater)
 **Options**
 
 - `queryKey: QueryKey`: [Query Keys](../guides/query-keys)
-- `updater: unknown | (oldData: TData | undefined) => TData`
+- `updater: TData | (oldData: TData | undefined) => TData`
   - If non-function is passed, the data will be updated to this value
   - If a function is passed, it will receive the old data value and be expected to return a new one.
 
@@ -233,8 +233,8 @@ queryClient.setQueriesData(queryKey | filters, updater)
 - `queryKey: QueryKey`: [Query Keys](../guides/query-keys) | `filters: QueryFilters`: [Query Filters](../guides/filters#query-filters)
   - if a queryKey is passed as first argument, queryKeys fuzzily matching this param will be updated
   - if a filter is passed, queryKeys matching the filter will be updated
-- `updater: TData | (oldData: TData | undefined) => TData` [setQueryData updater](#queryclientsetquerydata)
-  - the updater will be called for each matching queryKey
+- `updater: TData | (oldData: TData | undefined) => TData`
+  - the [setQueryData](#queryclientsetquerydata) updater function or new data, will be called for each matching queryKey
 
 ## `queryClient.invalidateQueries`