chore: remove concurrency call and pin action version to have a base run before action v4 #628

Job	Run time
List examples	4s
check	1m 16s
with-typescript-simple-esm on Node 18	2m 2s
with-typescript-cjs on Node 20.5.1	3m 38s
with-javascript-esm on Node 18	1m 58s
with-typescript-simple-cjs on Node 20.5.1	2m 15s
with-typescript-simple-esm on Node 20.5.1	2m 8s
with-typescript-cjs on Node 18	3m 23s
with-typescript-simple-cjs on Node 18	2m 31s
with-typescript-esm on Node 20.5.1	4m 19s
with-typescript-esm on Node 18	6m 49s
with-javascript-esm on Node 20.5.1	2m 55s
	33m 18s

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