Bump @solana/web3.js from 0.83.0 to 0.84.0 in /token/js (#721)

Bumps [@solana/web3.js](https://github.com/solana-labs/solana-web3.js) from 0.83.0 to 0.84.0.
- [Release notes](https://github.com/solana-labs/solana-web3.js/releases)
- [Commits](https://github.com/solana-labs/solana-web3.js/compare/v0.83.0...v0.84.0)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

token/js/package-lock.json

@@ -2689,9 +2689,9 @@
       "dev": true
     },
     "@solana/web3.js": {
-      "version": "0.83.0",
-      "resolved": "https://registry.npmjs.org/@solana/web3.js/-/web3.js-0.83.0.tgz",
-      "integrity": "sha512-19k/L3i11JIntT2YDEVpv8Y2K+tkjXbmGnhm4SjHS4sdA0ecZsB4Mi3n3qINoPFQ0vlRQcwIh5oLZ3JiaCWwpw==",
+      "version": "0.84.0",
+      "resolved": "https://registry.npmjs.org/@solana/web3.js/-/web3.js-0.84.0.tgz",
+      "integrity": "sha512-y68M99tcLzMdkJfcgp6Mp18pALyS4se3uJlHPYb6HHq/yFYL+4yoPojSVSqckyvr12fdYc14fNjxJtkF7CBJNg==",
       "requires": {
         "@babel/runtime": "^7.3.1",
         "bn.js": "^5.0.0",
@@ -3268,12 +3268,12 @@
       "dev": true
     },
     "buffer": {
-      "version": "5.6.0",
-      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.6.0.tgz",
-      "integrity": "sha512-/gDYp/UtU0eA1ys8bOs9J6a+E/KWIY+DZ+Q2WESNUA0jFRsJOc0SNUO6xJ5SGA1xueg3NL65W6s+NY5l9cunuw==",
+      "version": "5.6.1",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.6.1.tgz",
+      "integrity": "sha512-2z15UUHpS9/3tk9mY/q+Rl3rydOi7yMp5XWNQnRvoz+mJwiv8brqYwp9a+nOCtma6dwuEIxljD8W3ysVBZ05Vg==",
       "requires": {
-        "base64-js": "^1.0.2",
-        "ieee754": "^1.1.4"
+        "base64-js": "^1.3.1",
+        "ieee754": "^1.1.13"
       }
     },
     "buffer-from": {

token/js/package.json

@@ -45,7 +45,7 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.10.5",
-    "@solana/web3.js": "^0.83.0",
+    "@solana/web3.js": "^0.84.0",
     "bn.js": "^5.0.0",
     "buffer-layout": "^1.2.0",
     "dotenv": "8.2.0",