remove node-fetch from download #139

Job	Run time
test-oidc-only	12s
test (macos-latest, pip, oidc)	13s
test (ubuntu-latest, pip, oidc)	18s
test (windows-latest, pip, api-key)	53s
test (ubuntu-latest, pip, api-key)	14s
test (macos-latest, executable, api-key)	18s
test (macos-latest, pip, api-key)	24s
test (ubuntu-latest, executable, oidc)	15s
test (windows-latest, pip, oidc)	48s
test (windows-latest, executable, oidc)	37s
test (windows-latest, executable, api-key)	47s
test (ubuntu-latest, executable, api-key)	14s
test (macos-latest, executable, oidc)	21s
	5m 34s

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