Add default config file location for init action #4040

Job	Run time
Config export (ubuntu-latest, linked)	1m 5s
Config export (windows-latest, linked)	4m 33s
Config export (macos-latest, nightly-latest)	1m 28s
Config export (ubuntu-latest, nightly-latest)	1m 3s
Config export (windows-latest, nightly-latest)	5m 3s
Config export (macos-latest, linked)	1m 28s
	14m 40s

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