Bump @solana/web3.js from 0.66.3 to 0.68.0 in /token-swap/js (solana-…

…labs#266)

Bumps [@solana/web3.js](https://github.com/solana-labs/solana-web3.js) from 0.66.3 to 0.68.0.
- [Release notes](https://github.com/solana-labs/solana-web3.js/releases)
- [Commits](solana-labs/solana-web3.js@v0.66.3...v0.68.0)

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

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

token-swap/js/package.json

@@ -29,7 +29,7 @@
   "license": "MIT",
   "dependencies": {
     "@babel/runtime": "^7.11.2",
-    "@solana/web3.js": "^0.66.3",
+    "@solana/web3.js": "^0.68.0",
     "bn.js": "^5.0.0",
     "buffer-layout": "^1.2.0",
     "dotenv": "8.2.0",