fix(ci): give the unit step a deadline so a stuck jest reports instead of sulking - #264

Process completed with exit code 1.

TypeError: actual value must be number or bigint, received "undefined" ❯ tests/integration/e2e.test.ts:63:28

AssertionError: expected undefined to be defined ❯ tests/integration/dual-network.test.ts:384:26

AssertionError: expected undefined to be 2 // Object.is equality - Expected: 2 + Received: undefined ❯ tests/integration/api.test.ts:96:24

AssertionError: expected undefined to be 5 // Object.is equality - Expected: 5 + Received: undefined ❯ tests/integration/api.test.ts:41:24

AssertionError: expected undefined to be 2 // Object.is equality - Expected: 2 + Received: undefined ❯ tests/integration/api.test.ts:26:24

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