Fix changelog of postgresflex (#1292)

Signed-off-by: Alexander Dahmen <[email protected]>

Author: Fyusel

CHANGELOG.md

@@ -27,7 +27,7 @@
 
 ## Release (2025-01-07)
 
-- `postgresflex`: [0.16.1](services/postgresflex/CHANGELOG.md#v0161-2025-xx-yy)
+- `postgresflex`: [0.16.1](services/postgresflex/CHANGELOG.md#v0161-2024-12-19)
   - **Bugfix:** Correctly handle nullable attributes in model types
 - `iaas`: [v0.19.0](services/iaas/CHANGELOG.md#v0190-2024-12-20)
   - **Feature:** Add method to list quotas: `ListQuotas`

services/postgresflex/CHANGELOG.md

@@ -1,7 +1,7 @@
 ## v0.17.0 (2025-01-20)
 - **Breaking change**: Delete endpoint made private.
 
-## v0.16.1 (2025-xx-yy)
+## v0.16.1 (2024-12-19)
 - **Bugfix:** Correctly handle nullable attributes in model types
 
 ## v0.16.0 (2024-10-14)