Extending Workflow for Kpt Deployer (accepting additional arguments)

[felixtran39]

Related: #3904

Description
This contains the implementation and additional test cases allowing users to specify additional arguments when running kpt fn or kpt live commands with Skaffold.

User facing changes
Users will have the option to specify additional arguments in their skaffold.yaml.

Follow-up Work
It may be a good idea to add more validation to the config in the future such as validating the values of these arguments to fit certain patterns and catch the error before the command is called.

Before:

deploy:
  kpt:
    dir: ...
    fn:
      fnPath: ...
      image: ...
    live:
      apply:
      - ...
      - ...

After:

deploy:
  kpt:
    dir: ...
    fn:
      fnPath: str
      image: str
      network: str
      networkName: str
      globalScope: str
      mount: []str
    live:
      inventoryID: str
      inventoryNamespace: str
      apply:
        pollperiod: str
        prunePropagationPolicy: str
        pruneTimeout: str
        reconcileTimeout: str
      

[codecov]

Codecov Report

Merging #4736 into master will decrease coverage by 0.07%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #4736      +/-   ##
==========================================
- Coverage   73.45%   73.38%   -0.08%     
==========================================
  Files         343      345       +2     
  Lines       13585    13739     +154     
==========================================
+ Hits         9979    10082     +103     
- Misses       2982     3023      +41     
- Partials      624      634      +10     

Impacted Files	Coverage Δ
pkg/skaffold/schema/latest/config.go	100.00% <ø> (ø)
pkg/skaffold/deploy/kpt.go	86.84% <100.00%> (+2.56%)	⬆️
pkg/skaffold/kubernetes/context/context.go	71.42% <0.00%> (-13.94%)	⬇️
pkg/skaffold/deploy/status_check.go	52.25% <0.00%> (-6.81%)	⬇️
pkg/skaffold/util/util.go	86.07% <0.00%> (-0.86%)	⬇️
pkg/diag/validator/pod.go	1.60% <0.00%> (-0.08%)	⬇️
pkg/skaffold/config/util.go	69.31% <0.00%> (ø)
pkg/skaffold/deploy/resource/logfile.go	84.61% <0.00%> (ø)
pkg/skaffold/cluster/minikube.go	68.75% <0.00%> (ø)
pkg/skaffold/deploy/resource/deployment.go	91.54% <0.00%> (+1.54%)	⬆️
... and 2 more

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[yuwenma]

Some minor comments

[yuwenma]

Sweet! Great job on the last PR

[MarlonGamez]

LGTM!