DHFPROD-6177: Updating the changelog for 5.2.5

Author: SameeraPriyathamTadikonda

CHANGELOG.md

@@ -1,4 +1,9 @@
 # Change Log
+# [v5.2.5](https://github.com/marklogic/marklogic-data-hub/releases/tag/v5.2.5) (2020-10-29)
+**Fixed Bugs:**
+- [DHFPROD-6162] - Writing temporal documents to temporal collections fails with "data-hub-operator".
+
+
 # [v5.2.4](https://github.com/marklogic/marklogic-data-hub/releases/tag/v5.2.4) (2020-09-03)
 **Fixed Bugs:**
 - [DHFPROD-5866] - Handle null/empty/undefined values in table view for Explorer application