refactor: Update helm registry initialization #3058

Job	Run time
lint-gha	7s
lint-go (api)	1m 48s
lint-test-helm	6m 26s
unit-test	6m 58s
lint-go (common)	1m 20s
lint-go (.)	1m 55s
pre-commit	6m 31s
e2e-quick-start (Docker, v1.29.8) / e2e-test	17m 23s
e2e-quick-start (Docker, v1.31.0) / e2e-test	16m 59s
e2e-quick-start (Docker, v1.30.5) / e2e-test	17m 0s
e2e-quick-start (Nutanix, v1.29.6) / e2e-test	18m 37s
e2e-quick-start (Nutanix, v1.30.5) / e2e-test	19m 6s
e2e-self-hosted (Docker, v1.29.8) / e2e-test	25m 5s
e2e-self-hosted (Docker, v1.30.5) / e2e-test	28m 31s
e2e-self-hosted (Docker, v1.31.0) / e2e-test	28m 15s
	3h 16m 1s

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