Update zenodo.json (#1006)

* Add missing orcids

* Add two contributors

---------

Co-authored-by: Martijn Visser <mgvisser@gmail.com>

Author: vers-w

.zenodo.json

@@ -87,6 +87,14 @@
             "name": "Nelemans, Peter",
             "orcid": "0009-0000-0437-9642"
         },
+        {
+            "affiliation": "Deltares",
+            "name": "Leander, Robert"
+        },
+        {
+            "affiliation": "Deltares",
+            "name": "Kok, Hendrik"
+        },
         {
             "affiliation": "Deltares",
             "name": "Meshgi, Ali"