chore(updatecli): migreate depreciated CLI commands to pipeline subcommands

[jayfranco999]

Related to

• Update deprecated updatecli CLI calls to updatecli pipeline subcommands helpdesk#5012

Replace updatecli <action> with updatecli pipeline <action> in the shared library step. The top-level apply and diff commands are deprecated in favor of updatecli pipeline apply and updatecli pipeline diff, and may be removed in a future release.

test assertions also updated and tested locally

[INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 4.919 s -- in UpdatecliStepTests
[INFO] 
[INFO] Results:
[INFO] 
[INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0
[INFO] 
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  10.256 s
[INFO] Finished at: 2026-03-09T23:53:27+05:30
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