Fix 1-014_validate_parallelism_limit for local test

[ciiay]

What type of PR is this?

/kind bug

What does this PR do / why we need it:
This PR fixes 1-014_validate_parallelism_limit failure. When run this test locally, it shows below error in logs.

logger.go:42: 15:31:37 | 1-014_validate_parallelism_limit/2-check-deployment | grep: invalid option -- P
logger.go:42: 15:31:37 | 1-014_validate_parallelism_limit/2-check-deployment | usage: grep [-abcdDEFGHhIiJLlMmnOopqRSsUVvwXxZz] [-A num] [-B num] [-C[num]]
logger.go:42: 15:31:37 | 1-014_validate_parallelism_limit/2-check-deployment |      [-e pattern] [-f file] [--binary-files=value] [--color=when]
logger.go:42: 15:31:37 | 1-014_validate_parallelism_limit/2-check-deployment |      [--context[=num]] [--directories=action] [--label] [--line-buffered]
logger.go:42: 15:31:37 | 1-014_validate_parallelism_limit/2-check-deployment |      [--null] [pattern] [file ...]
logger.go:42: 15:31:37 | 1-014_validate_parallelism_limit/2-check-deployment | Incorrect or missing --kubectl-parallelism-limit detected.
logger.go:42: 15:31:37 | 1-014_validate_parallelism_limit/2-check-deployment | argocd-application-controller
logger.go:42: 15:31:37 | 1-014_validate_parallelism_limit/2-check-deployment | --operation-processors
logger.go:42: 15:31:37 | 1-014_validate_parallelism_limit/2-check-deployment | 10
logger.go:42: 15:31:37 | 1-014_validate_parallelism_limit/2-check-deployment | --redis
logger.go:42: 15:31:37 | 1-014_validate_parallelism_limit/2-check-deployment | argocd-redis.kuttl-test-intimate-yeti.svc.cluster.local:6379
logger.go:42: 15:31:37 | 1-014_validate_parallelism_limit/2-check-deployment | --repo-server
logger.go:42: 15:31:37 | 1-014_validate_parallelism_limit/2-check-deployment | argocd-repo-server.kuttl-test-intimate-yeti.svc.cluster.local:8081
logger.go:42: 15:31:37 | 1-014_validate_parallelism_limit/2-check-deployment | --status-processors
logger.go:42: 15:31:37 | 1-014_validate_parallelism_limit/2-check-deployment | 20
logger.go:42: 15:31:37 | 1-014_validate_parallelism_limit/2-check-deployment | --kubectl-parallelism-limit
logger.go:42: 15:31:37 | 1-014_validate_parallelism_limit/2-check-deployment | 10
logger.go:42: 15:31:37 | 1-014_validate_parallelism_limit/2-check-deployment | --loglevel
logger.go:42: 15:31:37 | 1-014_validate_parallelism_limit/2-check-deployment | info
logger.go:42: 15:31:37 | 1-014_validate_parallelism_limit/2-check-deployment | --logformat
logger.go:42: 15:31:37 | 1-014_validate_parallelism_limit/2-check-deployment | text
case.go:364: failed in step 2-check-deployment

This PR fixes the unsupported grep option issue and makes sure it passes test locally.

[ciiay]

Hi @varshab1210 , can you take a look at this PR? Thanks!