update CITATION before release

Author: lukaspie

CITATION.cff

@@ -4,7 +4,7 @@ message:
   If you use this software, please cite it using the
   metadata from this file.
 type: software
-version: 0.10.2
+version: 0.10.3
 authors:
   - given-names: Sherjeel
     family-names: Shabih