[release-v0.59.x] Perform matrix results validation on only result ref params

[piyush-garg]

This will add a check to skip the validation of normal params while doing the validation for matrix task result ref as params

Cherry-pick of #8089

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Release Notes

Perform matrix results validation on only result ref params

[piyush-garg]

/kind bug

[tekton-robot]

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

File	Old Coverage	New Coverage	Delta
pkg/apis/pipeline/v1/pipeline_validation.go	99.3%	99.2%	-0.0

[tekton-robot]

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

File	Old Coverage	New Coverage	Delta
pkg/apis/pipeline/v1/pipeline_validation.go	99.3%	99.2%	-0.0

[chitrangpatel]

/approve
/lgtm

[tekton-robot]

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