Bump elliptic from 6.5.3 to 6.5.4 in /platypush/backend/http/webapp

Bumps [elliptic](https://github.com/indutny/elliptic) from 6.5.3 to 6.5.4.
- [Release notes](https://github.com/indutny/elliptic/releases)
- [Commits](https://github.com/indutny/elliptic/compare/v6.5.3...v6.5.4)

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

platypush/backend/http/webapp/package-lock.json

@@ -4740,24 +4740,24 @@
       "dev": true
     },
     "elliptic": {
-      "version": "6.5.3",
+      "version": "6.5.4",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.3.tgz",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
-      "integrity": "sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==",
+      "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
       "dev": true,
       "requires": {
-        "bn.js": "^4.4.0",
+        "bn.js": "^4.11.9",
-        "brorand": "^1.0.1",
+        "brorand": "^1.1.0",
         "hash.js": "^1.0.0",
-        "hmac-drbg": "^1.0.0",
+        "hmac-drbg": "^1.0.1",
-        "inherits": "^2.0.1",
+        "inherits": "^2.0.4",
-        "minimalistic-assert": "^1.0.0",
+        "minimalistic-assert": "^1.0.1",
-        "minimalistic-crypto-utils": "^1.0.0"
+        "minimalistic-crypto-utils": "^1.0.1"
       },
       "dependencies": {
         "bn.js": {
-          "version": "4.11.9",
+          "version": "4.12.0",
-          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.9.tgz",
+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
-          "integrity": "sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw==",
+          "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
           "dev": true
         }
       }
@@ -11751,7 +11751,6 @@
       "resolved": "https://registry.npmjs.org/vue-loader/-/vue-loader-16.1.2.tgz",
       "integrity": "sha512-8QTxh+Fd+HB6fiL52iEVLKqE9N1JSlMXLR92Ijm6g8PZrwIxckgpqjPDWRP5TWxdiPaHR+alUWsnu1ShQOwt+Q==",
       "dev": true,
-      "optional": true,
       "requires": {
         "chalk": "^4.1.0",
         "hash-sum": "^2.0.0",
@@ -11763,7 +11762,6 @@
           "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
           "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
           "dev": true,
-          "optional": true,
           "requires": {
             "color-convert": "^2.0.1"
           }
@@ -11773,7 +11771,6 @@
           "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.0.tgz",
           "integrity": "sha512-qwx12AxXe2Q5xQ43Ac//I6v5aXTipYrSESdOgzrN+9XjgEpyjpKuvSGaN4qE93f7TQTlerQQ8S+EQ0EyDoVL1A==",
           "dev": true,
-          "optional": true,
           "requires": {
             "ansi-styles": "^4.1.0",
             "supports-color": "^7.1.0"
@@ -11784,7 +11781,6 @@
           "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
           "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
           "dev": true,
-          "optional": true,
           "requires": {
             "color-name": "~1.1.4"
           }
@@ -11793,22 +11789,19 @@
           "version": "1.1.4",
           "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
           "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
-          "dev": true,
+          "dev": true
-          "optional": true
         },
         "has-flag": {
           "version": "4.0.0",
           "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
           "integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==",
-          "dev": true,
+          "dev": true
-          "optional": true
         },
         "loader-utils": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-2.0.0.tgz",
           "integrity": "sha512-rP4F0h2RaWSvPEkD7BLDFQnvSf+nK+wr3ESUjNTyAGobqrijmW92zc+SO6d4p4B1wh7+B/Jg1mkQe5NYUEHtHQ==",
           "dev": true,
-          "optional": true,
           "requires": {
             "big.js": "^5.2.2",
             "emojis-list": "^3.0.0",
@@ -11820,7 +11813,6 @@
           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
           "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
           "dev": true,
-          "optional": true,
           "requires": {
             "has-flag": "^4.0.0"
           }