Bump lodash from 4.17.15 to 4.17.21

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.15 to 4.17.21.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](https://github.com/lodash/lodash/compare/4.17.15...4.17.21)

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

package-lock.json

@@ -3882,24 +3882,17 @@
       "integrity": "sha512-IKDR/xCxKFhPts7h+VaSXS02Z1mznP3fli1BbXWXeN89i2gCzKraU8qLpEid8YzKcmZdZD3Mly3cn5/lY9xsBQ=="
     },
     "elliptic": {
-      "version": "6.5.4",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
-      "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
+      "version": "6.5.2",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.2.tgz",
+      "integrity": "sha512-f4x70okzZbIQl/NSRLkI/+tteV/9WqL98zx+SQ69KbXxmVrmjwsNUPn/gYJJ0sHvEak24cZgHIPegRePAtA/xw==",
       "requires": {
-        "bn.js": "^4.11.9",
-        "brorand": "^1.1.0",
+        "bn.js": "^4.4.0",
+        "brorand": "^1.0.1",
         "hash.js": "^1.0.0",
-        "hmac-drbg": "^1.0.1",
-        "inherits": "^2.0.4",
-        "minimalistic-assert": "^1.0.1",
-        "minimalistic-crypto-utils": "^1.0.1"
-      },
-      "dependencies": {
-        "bn.js": {
-          "version": "4.12.0",
-          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
-          "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA=="
-        }
+        "hmac-drbg": "^1.0.0",
+        "inherits": "^2.0.1",
+        "minimalistic-assert": "^1.0.0",
+        "minimalistic-crypto-utils": "^1.0.0"
       }
     },
     "email-validator": {
@@ -8328,9 +8321,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.15",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "lodash._reinterpolate": {
       "version": "3.0.0",