WEB: Correctly link to PR (#59011)

DOC: Correctly link to PR in PDEP-1

Author: Aloqeely

web/pandas/pdeps/0001-purpose-and-guidelines.md

@@ -285,3 +285,4 @@ hope can help clarify our meaning here:
 [51417]: https://github.com/pandas-dev/pandas/pull/51417
 [28900]: https://github.com/pandas-dev/pandas/issues/28900
 [35407]: https://github.com/pandas-dev/pandas/issues/35407
+[53576]: https://github.com/pandas-dev/pandas/pull/53576