chore: adds dependabot.yml #1625

Job	Run time
Install on Node.js v18	57s
Install on Node.js v20	58s
Lint on Node.js v18	1m 3s
Test (Integration) on Node.js v18	6h 0m 14s
Lint on Node.js v20	1m 2s
Audit on Node.js v18	15s
Test (Integration) on Node.js v20	5h 59m 26s
Test (Unit) on Node.js v18	1m 15s
Audit on Node.js v20	17s
Test (Integration) on Node.js v18 with L3	6h 0m 13s
Test (Unit) on Node.js v20	1m 19s
Test (Integration) on Node.js v20 with L3	6h 0m 14s
Test (Integration) on Node.js v18 with L3 with custom gas token (16 decimals)	6h 0m 15s
Test (Integration) on Node.js v20 with L3 with custom gas token (16 decimals)	6h 0m 13s
Test (Integration) on Node.js v18 with L3 with custom gas token (18 decimals)	6h 0m 13s
Test (Integration) on Node.js v20 with L3 with custom gas token (18 decimals)	6h 0m 15s
Test (Integration) on Node.js v18 with L3 with custom gas token (20 decimals)	6h 0m 16s
Test (Integration) on Node.js v20 with L3 with custom gas token (20 decimals)	6h 0m 15s
	2d 12h 8m 40s

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