Bump swarm-js to 0.1.42

[pavleprica]

Description

This change bumps the version of swarm-js to ^0.1.42 which has the got dependency updated.

In a way, an addition to this.

Fixes #5315

Checklist for 1.x:

• [x] I have selected the correct base branch.
• [x] I have performed a self-review of my own code.
• [ ] I have commented my code, particularly in hard-to-understand areas.
• [x] I have made corresponding changes to the documentation.
• [x] My changes generate no new warnings.
• [ ] Any dependent changes have been merged and published in downstream modules.
• [x] I ran npm run dtslint with success and extended the tests and types if necessary.
• [x] I ran npm run test:cov and my test cases cover all the lines and branches of the added code.
• [x] I ran npm run build with success.
• [ ] I have tested the built dist/web3.min.js in a browser.
• [ ] I have tested my code on the live network.
• [ ] I have checked the Deploy Preview and it looks correct.
• [x] I have updated the CHANGELOG.md file in the root folder.