fixed singlequote issue of string

Author: Rajankannaujiya

src/content/concepts/output.mdx

@@ -9,7 +9,7 @@ contributors:
   - EugeneHlushko
 ---
 
-import CodeBlockWithCopy from "../../../components/CodeBlockWithCopy"
+import CodeBlockWithCopy from '../../../components/CodeBlockWithCopy'
 
 Configuring the `output` configuration options tells webpack how to write the compiled files to disk. Note that, while there can be multiple `entry` points, only one `output` configuration is specified.