ci: bump action to v4 #646

Job	Run time
check	1m 10s
List examples	4s
with-typescript-simple-esm on Node 18	3m 58s
with-typescript-simple-cjs on Node 18	2m 0s
with-typescript-esm on Node 18	3m 45s
with-typescript-cjs on Node 18	2m 10s
with-javascript-esm on Node 18	3m 16s
with-typescript-esm on Node 20.5.1	2m 10s
with-typescript-simple-esm on Node 20.5.1	2m 8s
with-typescript-simple-cjs on Node 20.5.1	3m 42s
with-javascript-esm on Node 20.5.1	3m 15s
with-typescript-cjs on Node 20.5.1	1m 56s
	29m 34s

Provide feedback