ci: fix testnode workflow #1626

Job	Run time
Install on Node.js v18	56s
Install on Node.js v20	46s
Lint on Node.js v18	57s
Audit on Node.js v18	11s
Test (Unit) on Node.js v18	1m 24s
Lint on Node.js v20	55s
Audit on Node.js v20	14s
Test (Integration) on Node.js v18	21m 9s
Test (Unit) on Node.js v20	1m 19s
Test (Integration) on Node.js v20	21m 7s
Test (Integration) on Node.js v18 with L3	19m 54s
Test (Integration) on Node.js v20 with L3	19m 51s
Test (Integration) on Node.js v18 with L3 with custom gas token (16 decimals)	20m 6s
Test (Integration) on Node.js v20 with L3 with custom gas token (16 decimals)	19m 48s
Test (Integration) on Node.js v18 with L3 with custom gas token (18 decimals)	21m 21s
Test (Integration) on Node.js v20 with L3 with custom gas token (18 decimals)	19m 41s
Test (Integration) on Node.js v18 with L3 with custom gas token (20 decimals)	20m 1s
Test (Integration) on Node.js v20 with L3 with custom gas token (20 decimals)	20m 12s
	3h 29m 52s

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