feat(form-labels): Adds new form labels for dc_publisher e dc_relation_issn

ref: DSC-2782

Author: vins01-4science

src/assets/i18n/en.json5

@@ -5767,6 +5767,10 @@
 
   "form.other-information.dc.identifier.issn": "ISSN",
 
+  "form.other-information.dc_publisher": "Publisher",
+
+  "form.other-information.dc_relation_issn": "ISSN",
+
   "statistics.table.downloadReports.title.TotalVisits": "Most downloaded",
 
   "statistics.table.downloadReports.title.TopItems": "Most downloaded",

src/assets/i18n/it.json5

@@ -9049,6 +9049,12 @@
   // TODO New key - Add a translation
   "form.other-information.dc.identifier.issn": "ISSN",
 
+  // "form.other-information.dc_publisher": "Publisher",
+  "form.other-information.dc_publisher": "Publisher",
+
+  // "form.other-information.dc_relation_issn": "ISSN",
+  "form.other-information.dc_relation_issn": "ISSN",
+
   // "statistics.table.downloadReports.title.TotalVisits": "Most downloaded",
   "statistics.table.downloadReports.title.TotalVisits": "I più scaricati",