Bump version in citation file

Author: mdpiper

CITATION.cff

@@ -24,6 +24,6 @@ keywords:
   - alos
   - nasadem
 license: MIT
-version: 0.8.5
+version: 0.8.6
 doi: 10.5281/zenodo.4608652
-date-released: 2024-08-18
+date-released: 2025-02-09