Clone pantry to same location as pkgx^1 #1658

Job	Run time
fmt	7s
clippy (ubuntu-latest)	1m 39s
clippy (macos-latest)	41s
test (ubuntu-latest)	1m 51s
coverage-integration (ubuntu-latest)	5m 21s
coverage-unit (ubuntu-latest)	6m 13s
coverage-integration (macos-latest)	2m 56s
test (macos-latest)	50s
coverage-unit (macos-latest)	2m 55s
upload-coverage	0s
	22m 33s

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