Preparing for 0.9.0

[cressie176]

• Update mocha and replace the deprecated istanbul with nyc (PR 681
• Update url-parse (PR 675, thank you @suhail-n and @kibertoad)
• fix: done called twice on invalid options (PR 667, thank you @luddd3 and @kibertoad)
• Close connection to server on connect errors (PR 647, thank you @luddd3 and @kibertoad)
• Modernise channel_model.js (PR 635, thank you @kibertoad and @jimmywarting)
• Bring package-lock.json up to date (PR 653
• Update url-parse (PR 652, thank you @giorgioatanasov and @buffolander)
• Modernise channel_model.js (PR 651, thank you for the review @kibertoad)
• Modernise bitset.js (PR 634, thank you @kibertoad and @jimmywarting)
• ⚠️ Drop CI for node versions below 10 (PR 631, thank you for the review @kibertoad)
• Replace safe-buffer dependency with native buffers (PR 628, thank you @kibertoad and @jimmywarting)

[cressie176]

It's only the changelog and package.json update. All other PRs were already merged into main