[TEP-0091] Add condition to reflect verification failure/success.

[Yongxuanzhang]

This is a separate tracking issue of a subitem in #6356
The goal is to update taskrun pipelinerun status based on trusted resources verification result
PRs:

• [TEP-0091] add VerificationResult #6663
• [TEP-0091] use VerificationResult in verify #6673
• [TEP-0091] return VerificationResult from GetTask #6691
• [TEP-0091] return VerificationResult from GetPipeline #6736
• [TEP-0091] add more no error test cases for taskrun and pipelinerun #6754
• [TEP-0091] update taskrun and pipelinerun condition based on VerificationResult #6757