Add support for optional workspaces in tkn start

[vinamra28]

Changes

As of now if the resource contains an optional workspace we still have
to bind the corresponding workspace value at the time of doing tkn <resource> start.

With this commit, it will ask interactively whether we want to provide
details for workspace or not if it's optional.
Added e2e tests for the same.

Signed-off-by: vinamra28 [email protected]

Submitter Checklist

These are the criteria that every PR should meet, please check them off as you
review them:

• Includes tests (if functionality changed/added)
• Run the code checkers with make check
• Regenerate the manpages, docs and go formatting with make generated
• Commit messages follow commit message best practices

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Release Notes

Ask whether to provide specifications for the optional workspace at the time of doing tkn <resource> start

[tekton-robot]

The following is the coverage report on the affected files.
Say /test pull-tekton-cli-go-coverage to re-run this coverage report

File	Old Coverage	New Coverage	Delta
pkg/cmd/pipeline/start.go	66.2%	65.3%	-0.9

[tekton-robot]

The following is the coverage report on the affected files.
Say /test pull-tekton-cli-go-coverage to re-run this coverage report

File	Old Coverage	New Coverage	Delta
pkg/cmd/pipeline/start.go	66.2%	65.3%	-0.9

[vinamra28]

/retest

[tekton-robot]

The following is the coverage report on the affected files.
Say /test pull-tekton-cli-go-coverage to re-run this coverage report

File	Old Coverage	New Coverage	Delta
pkg/cmd/pipeline/start.go	66.2%	65.3%	-0.9

[tekton-robot]

The following is the coverage report on the affected files.
Say /test pull-tekton-cli-go-coverage to re-run this coverage report

File	Old Coverage	New Coverage	Delta
pkg/cmd/pipeline/start.go	66.2%	65.3%	-0.9

[tekton-robot]

The following is the coverage report on the affected files.
Say /test pull-tekton-cli-go-coverage to re-run this coverage report

File	Old Coverage	New Coverage	Delta
pkg/cmd/pipeline/start.go	66.2%	65.3%	-0.9

[vinamra28]

/retest

[vinamra28]

/retest

[chmouel]

/lgtm

Looking Good! 🤙🏽

[tekton-robot]

The following is the coverage report on the affected files.
Say /test pull-tekton-cli-go-coverage to re-run this coverage report

File	Old Coverage	New Coverage	Delta
pkg/cmd/pipeline/start.go	66.2%	65.3%	-0.9

[vinamra28]

/retest

[chmouel]

/lgtm

[piyush-garg]

/approve
/lgtm

[chmouel]

/lgtm
/approve

[tekton-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: chmouel, piyush-garg

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• OWNERS [chmouel,piyush-garg]

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[piyush-garg]

/retest