ci: use staging environment #687

Job	Run time
List examples	4s
check (codspeedhq-arm64-ubuntu-22.04)	1m 38s
check (ubuntu-latest)	1m 14s
with-typescript-cjs on Node 18	2m 34s
with-typescript-simple-cjs on Node 18	3m 34s
with-typescript-simple-cjs on Node 20.5.1	3m 25s
with-typescript-esm on Node 20.5.1	7m 54s
with-typescript-cjs on Node 20.5.1	3m 21s
with-javascript-esm on Node 20.5.1	2m 9s
with-typescript-esm on Node 18	4m 1s
with-javascript-esm on Node 18	4m 31s
with-typescript-simple-esm on Node 20.5.1	3m 28s
with-typescript-simple-esm on Node 18	4m 58s
	42m 51s

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