chore(deps): bump jayson from 2.1.1 to 2.1.2

Bumps [jayson](https://github.com/tedeh/jayson) from 2.1.1 to 2.1.2.
- [Release notes](https://github.com/tedeh/jayson/releases)
- [Commits](https://github.com/tedeh/jayson/compare/v2.1.1...v2.1.2)

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

web3.js/package-lock.json

@@ -7694,24 +7694,24 @@
       "dev": true
     },
     "jayson": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/jayson/-/jayson-2.1.1.tgz",
-      "integrity": "sha512-TJ8OPzsGyPnKhSNyhfEYYrPBOrYMtJKNy1bhT8j5WQ/RipZ3a0PWSj8GFOUcoAL0krH/RWyNT4ILNKHT4vxJrA==",
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/jayson/-/jayson-2.1.2.tgz",
+      "integrity": "sha512-2GejcQnEV35KYTXoBvzALIDdO/1oyEIoJHBnaJFhJhcurv0x2JqUXQW6xlDUhcNOpN9t+d2w+JGA6vOphb+5mg==",
       "requires": {
-        "@types/node": "10.12.18",
-        "JSONStream": "1.3.4",
-        "commander": "2.19.0",
-        "es6-promisify": "5.0.0",
-        "eyes": "0.1.8",
-        "json-stringify-safe": "5.0.1",
-        "lodash": "4.17.11",
-        "uuid": "3.2.1"
+        "@types/node": "^10.3.5",
+        "JSONStream": "^1.3.1",
+        "commander": "^2.12.2",
+        "es6-promisify": "^5.0.0",
+        "eyes": "^0.1.8",
+        "json-stringify-safe": "^5.0.1",
+        "lodash": "^4.17.11",
+        "uuid": "^3.2.1"
       },
       "dependencies": {
         "@types/node": {
-          "version": "10.12.18",
-          "resolved": "https://registry.npmjs.org/@types/node/-/node-10.12.18.tgz",
-          "integrity": "sha512-fh+pAqt4xRzPfqA6eh3Z2y6fyZavRIumvjhaCL753+TVkGKGhpPeyrJG2JftD0T9q4GF00KjefsQ+PQNDdWQaQ=="
+          "version": "10.12.26",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-10.12.26.tgz",
+          "integrity": "sha512-nMRqS+mL1TOnIJrL6LKJcNZPB8V3eTfRo9FQA2b5gDvrHurC8XbSA86KNe0dShlEL7ReWJv/OU9NL7Z0dnqWTg=="
         },
         "lodash": {
           "version": "4.17.11",