Include final papers in Zenodo metadata

.zenodo.json

@@ -2,9 +2,9 @@
   "description": "<p>Code and data supporting Delphi's PNAS papers on our COVIDcast effort, published in the special issue \"Beyond Cases and Deaths: The Benefit of Auxiliary Data Streams In Tracking the COVID-19 Pandemic\".</p>",
   "license": "other-open",
   "title": "cmu-delphi/covidcast-pnas: COVIDcast Papers and Code",
-  "version": "v0.4",
+  "version": "v1.0",
   "upload_type": "software",
-  "publication_date": "2021-11-04",
+  "publication_date": "2021-12-15",
   "creators": [
     {
       "name": "Tibshirani, Ryan",
@@ -53,5 +53,23 @@
       "orcid": "0000-0003-1447-5018"
     }
   ],
-  "access_right": "open"
+  "access_right": "open",
+  "related_identifiers": [
+    {
+      "identifier": "10.1073/pnas.2111454118",
+      "relation": "isSupplementTo"
+    },
+    {
+      "identifier": "10.1073/pnas.2111452118",
+      "relation": "isSupplementTo"
+    },
+    {
+      "identifier": "10.1073/pnas.2111453118",
+      "relation": "isSupplementTo"
+    },
+    {
+      "identifier": "10.1073/pnas.2111456118",
+      "relation": "isSupplementTo"
+    }
+  ]
 }