Update `withRetries()` typing

[birdofpreyru]

We should use generic, to link the resolved result type to that of the action.

js-utils/src/withRetries.ts

Lines 14 to 18 in 54a2e7c

	export default async function withRetries(
	action: () => unknown,
	maxRetries = 3,
	interval = 300,
	) {