Bump @solana/web3.js from 0.73.0 to 0.75.0 in /token-swap/js (#413)

Bumps [@solana/web3.js](https://github.com/solana-labs/solana-web3.js) from 0.73.0 to 0.75.0.
- [Release notes](https://github.com/solana-labs/solana-web3.js/releases)
- [Commits](https://github.com/solana-labs/solana-web3.js/compare/v0.73.0...v0.75.0)

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token-swap/js/package-lock.json

@@ -1636,9 +1636,9 @@
       "dev": true
     },
     "@solana/web3.js": {
-      "version": "0.73.0",
-      "resolved": "https://registry.npmjs.org/@solana/web3.js/-/web3.js-0.73.0.tgz",
-      "integrity": "sha512-Hjj7+oBwIjfpPYrYSrOrZGZo3Z8m8WJ/5KzQpI6P1Z5Q2Snov9OYTpILLuWAAyZFHCyyl+TTSZbFkz6wq9tOPQ==",
+      "version": "0.75.0",
+      "resolved": "https://registry.npmjs.org/@solana/web3.js/-/web3.js-0.75.0.tgz",
+      "integrity": "sha512-goWSloQQbd7MLBxi/ViUvNIKg/uVQNVw/TvjsilZNnFiHv6WtNdUOnZFQbF8Nc7UDxeh+5TUbGkjavf0qzEbbA==",
       "requires": {
         "@babel/runtime": "^7.3.1",
         "bn.js": "^5.0.0",

token-swap/js/package.json

@@ -29,7 +29,7 @@
   "license": "MIT",
   "dependencies": {
     "@babel/runtime": "^7.11.2",
-    "@solana/web3.js": "^0.73.0",
+    "@solana/web3.js": "^0.75.0",
     "bn.js": "^5.1.3",
     "buffer-layout": "^1.2.0",
     "dotenv": "8.2.0",