docs(core): update Notifications doc examples #7048

Job	Run time
Run affected Build, Lint and test commands	1m 52s
Run affected Build, Lint and test commands	10m 22s
Run affected Build, Lint and test commands	10m 22s
Nx Cloud Agent 1	41m 38s
Nx Cloud Agent 1	11m 38s
Nx Cloud Agent 1	11m 38s
Nx Cloud Agent 2	41m 36s
Nx Cloud Agent 2	11m 36s
Nx Cloud Agent 2	11m 36s
Run affected e2e commands	39m 20s
Run affected e2e commands	38m 51s
Run affected e2e commands	39m 31s
Nx Cloud Agent 3	41m 37s
Nx Cloud Agent 3	11m 37s
Nx Cloud Agent 3	11m 37s
Nx Cloud Agent 4	41m 37s
Nx Cloud Agent 4	11m 34s
Nx Cloud Agent 4	11m 34s
Nx Cloud Agent 5	41m 34s
Nx Cloud Agent 5	11m 38s
Nx Cloud Agent 5	11m 38s
Nx Cloud Agent 6	41m 37s
Nx Cloud Agent 6	11m 34s
Nx Cloud Agent 6	11m 34s
Nx Cloud Agent 7	41m 36s
Nx Cloud Agent 7	11m 37s
Nx Cloud Agent 7	11m 37s
Nx Cloud Agent 8	41m 36s
Nx Cloud Agent 8	11m 40s
Nx Cloud Agent 8	11m 40s
Nx Cloud - Stop Agents	2m 4s
Nx Cloud - Stop Agents	1m 57s
Nx Cloud - Stop Agents	2m 4s
	11h 5m 2s

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