Merge pull request #21153 from edx/renovate/backbone-1.x

Update dependency backbone to v1.4.0

package-lock.json

@@ -1910,9 +1910,9 @@
       "integrity": "sha512-q/UEjfGJ2Cm3oKV71DJz9d25TPnq5rhBVL2Q4fA5wcC3jcrdn7+SssEybFIxwAvvP+YCsCYNKughoF33GxgycQ=="
     },
     "backbone": {
-      "version": "1.3.3",
-      "resolved": "https://registry.npmjs.org/backbone/-/backbone-1.3.3.tgz",
-      "integrity": "sha1-TMgOp8sWMaxHSInOQPL4vGg7KZk=",
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/backbone/-/backbone-1.4.0.tgz",
+      "integrity": "sha512-RLmDrRXkVdouTg38jcgHhyQ/2zjg7a8E6sz2zxfz21Hh17xDJYUHBZimVIt5fUyS8vbfpeSmTL3gUjTEvUV3qQ==",
       "requires": {
         "underscore": "1.8.3"
       }
@@ -1924,6 +1924,16 @@
       "requires": {
         "backbone": "1.3.3",
         "underscore": "1.8.3"
+      },
+      "dependencies": {
+        "backbone": {
+          "version": "1.3.3",
+          "resolved": "https://registry.npmjs.org/backbone/-/backbone-1.3.3.tgz",
+          "integrity": "sha1-TMgOp8sWMaxHSInOQPL4vGg7KZk=",
+          "requires": {
+            "underscore": "1.8.3"
+          }
+        }
       }
     },
     "backbone.paginator": {
@@ -1933,6 +1943,16 @@
       "requires": {
         "backbone": "1.3.3",
         "underscore": "1.8.3"
+      },
+      "dependencies": {
+        "backbone": {
+          "version": "1.3.3",
+          "resolved": "https://registry.npmjs.org/backbone/-/backbone-1.3.3.tgz",
+          "integrity": "sha1-TMgOp8sWMaxHSInOQPL4vGg7KZk=",
+          "requires": {
+            "underscore": "1.8.3"
+          }
+        }
       }
     },
     "backo2": {

package.json

@@ -15,7 +15,7 @@
     "babel-polyfill": "6.26.0",
     "babel-preset-env": "1.6.1",
     "babel-preset-react": "6.24.1",
-    "backbone": "1.3.3",
+    "backbone": "1.4.0",
     "backbone-associations": "0.6.2",
     "backbone.paginator": "2.0.6",
     "bootstrap": "4.0.0-beta.2",