The test output can have occurrences of `{` that aren't the string we are looking for, eg:
```
dialer-1 | test browser
dialer-1 | [JavaScript Error: "Clear-Site-Data header found. Unknown value “"cache"”." {file: "http://127.0.0.1:34451/" line: 0}]
dialer-1 | [JavaScript Error: "Clear-Site-Data header forced the clean up of “cookies” data." {file: "http://127.0.0.1:34451/" line: 0}]
dialer-1 | [JavaScript Error: "Clear-Site-Data header forced the clean up of “storage” data." {file: "http://127.0.0.1:34451/" line: 0}]
```
These fail to parse so improve the results parsing by:
1. Try parsing every instance of `{...}` in the output, not just the first
2. Test the output for the `handshakePlusOneRTTMillis` and `pingRTTMilllis` keys
* feat: add new implementation versions (go)
* ci: generalise adding new implementation versions
* ci: automate new version addition for rust-libp2p and js-libp2p
