Bump cross-fetch from 3.0.4 to 3.1.5 in /app

Bumps [cross-fetch](https://github.com/lquixada/cross-fetch) from 3.0.4 to 3.1.5.
- [Release notes](https://github.com/lquixada/cross-fetch/releases)
- [Commits](https://github.com/lquixada/cross-fetch/compare/v3.0.4...v3.1.5)

---
updated-dependencies:
- dependency-name: cross-fetch
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

app/package-lock.json

@@ -4423,13 +4423,45 @@
       }
     },
     "cross-fetch": {
-      "version": "3.0.4",
-      "resolved": "https://registry.npmjs.org/cross-fetch/-/cross-fetch-3.0.4.tgz",
-      "integrity": "sha512-MSHgpjQqgbT/94D4CyADeNoYh52zMkCX4pcJvPP5WqPsLFMKjr2TCMg381ox5qI0ii2dPwaLx/00477knXqXVw==",
+      "version": "3.1.5",
+      "resolved": "https://registry.npmjs.org/cross-fetch/-/cross-fetch-3.1.5.tgz",
+      "integrity": "sha512-lvb1SBsI0Z7GDwmuid+mU3kWVBwTVUbe7S0H52yaaAdQOXq2YktTCZdlAcNKFzE6QtRz0snpw9bNiPeOIkkQvw==",
       "dev": true,
       "requires": {
-        "node-fetch": "2.6.0",
-        "whatwg-fetch": "3.0.0"
+        "node-fetch": "2.6.7"
+      },
+      "dependencies": {
+        "node-fetch": {
+          "version": "2.6.7",
+          "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.7.tgz",
+          "integrity": "sha512-ZjMPFEfVx5j+y2yF35Kzx5sF7kDzxuDj6ziH4FFbOp87zKDZNx8yExJIb05OGF4Nlt9IHFIMBkRl41VdvcNdbQ==",
+          "dev": true,
+          "requires": {
+            "whatwg-url": "^5.0.0"
+          }
+        },
+        "tr46": {
+          "version": "0.0.3",
+          "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
+          "integrity": "sha1-gYT9NH2snNwYWZLzpmIuFLnZq2o=",
+          "dev": true
+        },
+        "webidl-conversions": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
+          "integrity": "sha1-JFNCdeKnvGvnvIZhHMFq4KVlSHE=",
+          "dev": true
+        },
+        "whatwg-url": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
+          "integrity": "sha1-lmRU6HZUYuN2RNNib2dCzotwll0=",
+          "dev": true,
+          "requires": {
+            "tr46": "~0.0.3",
+            "webidl-conversions": "^3.0.0"
+          }
+        }
       }
     },
     "cross-spawn": {
@@ -11602,12 +11634,6 @@
         }
       }
     },
-    "node-fetch": {
-      "version": "2.6.0",
-      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.0.tgz",
-      "integrity": "sha512-8dG4H5ujfvFiqDmVu9fQ5bOHUC15JMjMY/Zumv26oOvvVJjM67KF8koCWIabKQ1GJIa9r2mMZscBq/TbdOcmNA==",
-      "dev": true
-    },
     "node-forge": {
       "version": "0.9.0",
       "resolved": "https://registry.npmjs.org/node-forge/-/node-forge-0.9.0.tgz",