Revert "Merge pull request #48228 from FrazerFlanagan/remove-unneeded…

…-static-array-ret-type-from-db-eloquent-builder-get"

This reverts commit 86b76dc, reversing
changes made to c779c11.

src/Illuminate/Database/Eloquent/Builder.php

@@ -709,7 +709,7 @@ public function valueOrFail($column)
      * Execute the query as a "select" statement.
      *
      * @param  array|string  $columns
-     * @return \Illuminate\Database\Eloquent\Collection
+     * @return \Illuminate\Database\Eloquent\Collection|static[]
      */
     public function get($columns = ['*'])
     {