build(deps): bump @solana/web3.js in /token-swap/js (#2052)

Bumps [@solana/web3.js](https://github.com/solana-labs/solana-web3.js) from 1.20.0 to 1.20.2.
- [Release notes](https://github.com/solana-labs/solana-web3.js/releases)
- [Changelog](https://github.com/solana-labs/solana-web3.js/blob/master/.releaserc.json)
- [Commits](solana-foundation/solana-web3.js@v1.20.0...v1.20.2)

---
updated-dependencies:
- dependency-name: "@solana/web3.js"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

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

Author: dependabot[bot]