Update xml.py (#63128)

##### SUMMARY
Update example to remove escape characters in front of special characters as it is not needed to add explicitly anymore with latest ansible version


##### ISSUE TYPE
- Docs Pull Request

+label: docsite_pr

lib/ansible/modules/files/xml.py

@@ -225,7 +225,7 @@ EXAMPLES = r'''
 - name: Add several more beers to the 'beers' element and add them before the 'Rochefort 10' element
   xml:
     path: /foo/bar.xml
-    xpath: '/business/beers/beer[text()=\"Rochefort 10\"]'
+    xpath: '/business/beers/beer[text()="Rochefort 10"]'
     insertbefore: yes
     add_children:
     - beer: Old Rasputin