add jhub apps service account with admin permissions #5102

Job	Run time
Test Nebari Provider (aws, none)	1m 37s
Test Nebari Provider (aws, github-actions)	1m 49s
Test Nebari Provider (aws, gitlab-ci)	1m 5s
Test Nebari Provider (azure, none)	1m 24s
Test Nebari Provider (azure, github-actions)	1m 21s
Test Nebari Provider (azure, gitlab-ci)	1m 9s
Test Nebari Provider (gcp, none)	1m 15s
Test Nebari Provider (gcp, github-actions)	1m 13s
Test Nebari Provider (gcp, gitlab-ci)	1m 8s
Test Nebari Provider (local, none)	1m 19s
Test Nebari Provider (local, github-actions)	1m 6s
Test Nebari Provider (local, gitlab-ci)	57s
Test Nebari Provider (existing, none)	1m 28s
Test Nebari Provider (existing, github-actions)	57s
Test Nebari Provider (existing, gitlab-ci)	1m 4s
	18m 52s

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