Updates to go@1.20 and dependencies to resolve CVEs and Fixing a typo

[haroon-sheikh]

Changes

• Updating to use version of go@1.20 as go upto 1.17 is deprecated.
• Fixing a typo for when a spec directory does not exist
• Updating the following dependencies to latest:

- github.com/fsnotify/fsnotify v1.5.1 => v1.6.0
- github.com/sourcegraph/jsonrpc2 v0.0.0-20200429184054-15c2290dcb37 => v0.2.0
- github.com/golang/protobuf v1.5.2 => v1.5.3
- github.com/magiconair/properties v1.8.5 => v1.8.7
- google.golang.org/grpc v1.43.0 => v1.56.0
- google.golang.org/protobuf v1.28.0 => v1.30.0

[zabil]

@haroon-sheikh if you don't mind can you fix the lint error too to make the build pass? It's not related to the original change, but would be good to get the build green.

[haroon-sheikh]

@zabil I've fixed the lint error but I'm not really sure why FTs windows-latest is still failing.

[gaugebot]

@haroon-sheikh Thank you for contributing to gauge. Your pull request has been labeled as a release candidate 🎉🎉.

Merging this PR will trigger a release.

Please bump up the version as part of this PR.

Instructions to bump the version can found at CONTRIBUTING.md

If the CONTRIBUTING.md file does not exist or does not include instructions about bumping up the version, please looks previous commits in git history to see what changes need to be done.