feat(goctl): support go work (#4332)

[ningzio]

this PR fixed the error no matched module when using goctl api inside of a go workspace.

in go workspace, command go list -m -f '{{.GoMod}}' only lists modules declared in go.work, so goctl can't can the go.mod path even it's already initilized if the project is not in go.work.

to fix this, goctl should

• use go env GOMOD to determine whether the project is a go module.
• check if the project is inside of a go workspace, if it does, it will use go work use . to add the project to go.work.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.55%. Comparing base (8690859) to head (0820a59).
Report is 251 commits behind head on master.

Additional details and impacted files

see 8 files with indirect coverage changes

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#3420

[kesonan]

LGTM

[kesonan]

Awesome pr!