chore: remove concurrency call and pin action version to have a base run before action v4 #630

Job	Run time
check	1m 16s
List examples	5s
with-javascript-esm on Node 18	2m 31s
with-typescript-cjs on Node 18	1m 56s
with-typescript-cjs on Node 20.5.1	3m 2s
with-typescript-simple-esm on Node 20.5.1	2m 41s
with-javascript-esm on Node 20.5.1	3m 15s
with-typescript-simple-esm on Node 18	2m 2s
with-typescript-simple-cjs on Node 18	2m 36s
with-typescript-esm on Node 20.5.1	5m 22s
with-typescript-simple-cjs on Node 20.5.1	3m 24s
with-typescript-esm on Node 18	3m 49s
	31m 59s

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