chore: remove concurrency call and pin action version to have a base run before action v4 #626

Job	Run time
List examples	5s
check	1m 17s
with-typescript-simple-esm on Node 18	3m 15s
with-typescript-simple-cjs on Node 20.5.1	2m 48s
with-typescript-cjs on Node 18	3m 36s
with-typescript-cjs on Node 20.5.1	2m 8s
with-typescript-esm on Node 20.5.1	2m 12s
with-typescript-simple-cjs on Node 18	3m 20s
with-javascript-esm on Node 18	3m 28s
with-javascript-esm on Node 20.5.1	2m 2s
with-typescript-simple-esm on Node 20.5.1	2m 18s
with-typescript-esm on Node 18	2m 55s
	29m 24s

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