Add publishers to record query

Why these changes are being introduced:

`publishers` is a new field that replaces `publicationInformation`.

Relevant ticket(s):

* [GDT-271](https://mitlibraries.atlassian.net/browse/GDT-271)
* [GDT-270](https://mitlibraries.atlassian.net/browse/GDT-270)

How this addresses that need:

This replaces `publicationInformation` with the new field in the
TimdexRecord model.

Side effects of this change:

* The schema has been updated.
* Affected cassettes have been regenerated.

Author: jazairi

app/models/timdex_record.rb

@@ -72,7 +72,11 @@ class TimdexRecord < TimdexBase
         physicalDescription
         provider
         publicationFrequency
-        publicationInformation
+        publishers {
+          date
+          location
+          name
+        }
         relatedItems {
           description
           itemType

config/schema/schema.json

@@ -1213,6 +1213,61 @@
           "enumValues": null,
           "possibleTypes": null
         },
+        {
+          "kind": "OBJECT",
+          "name": "Publishers",
+          "description": null,
+          "fields": [
+            {
+              "name": "date",
+              "description": "The date of the publication",
+              "args": [
+
+              ],
+              "type": {
+                "kind": "SCALAR",
+                "name": "String",
+                "ofType": null
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "location",
+              "description": "Where the publisher is located",
+              "args": [
+
+              ],
+              "type": {
+                "kind": "SCALAR",
+                "name": "String",
+                "ofType": null
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "name",
+              "description": "The name of the publisher",
+              "args": [
+
+              ],
+              "type": {
+                "kind": "SCALAR",
+                "name": "String",
+                "ofType": null
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            }
+          ],
+          "inputFields": null,
+          "interfaces": [
+
+          ],
+          "enumValues": null,
+          "possibleTypes": null
+        },
         {
           "kind": "OBJECT",
           "name": "Query",
@@ -1943,7 +1998,7 @@
                 }
               },
               "isDeprecated": true,
-              "deprecationReason": "Use `publicationInformation`"
+              "deprecationReason": "Use `publishers`"
             },
             {
               "name": "inBibliography",
@@ -2243,7 +2298,7 @@
             },
             {
               "name": "publicationInformation",
-              "description": "Imprint information for item",
+              "description": null,
               "args": [
 
               ],
@@ -2260,6 +2315,28 @@
                   }
                 }
               },
+              "isDeprecated": true,
+              "deprecationReason": "Use `publishers`"
+            },
+            {
+              "name": "publishers",
+              "description": "Publishers that are associated with the item",
+              "args": [
+
+              ],
+              "type": {
+                "kind": "LIST",
+                "name": null,
+                "ofType": {
+                  "kind": "NON_NULL",
+                  "name": null,
+                  "ofType": {
+                    "kind": "OBJECT",
+                    "name": "Publishers",
+                    "ofType": null
+                  }
+                }
+              },
               "isDeprecated": false,
               "deprecationReason": null
             },