Fix typo for the word Series

Author: misilot

src/assets/i18n/en.json5

@@ -2474,7 +2474,7 @@
 
   "item.preview.dc.identifier": "Identifier:",
 
-  "item.preview.dc.relation.ispartof": "Journal or Serie",
+  "item.preview.dc.relation.ispartof": "Journal or Series",
 
   "item.preview.dc.identifier.doi": "DOI",