Update dependency node-red-node-test-helper to v0.3.4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
node-red-node-test-helper	0.2.7 -> 0.3.4

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Release Notes

node-red/node-red-node-test-helper (node-red-node-test-helper)

### [`v0.3.4`](https://togithub.com/node-red/node-red-node-test-helper/blob/HEAD/CHANGELOG.md#034) [Compare Source](https://togithub.com/node-red/node-red-node-test-helper/compare/0.3.3...0.3.4) - Update dependencies ### [`v0.3.3`](https://togithub.com/node-red/node-red-node-test-helper/blob/HEAD/CHANGELOG.md#033) [Compare Source](https://togithub.com/node-red/node-red-node-test-helper/compare/0.3.2...0.3.3) - Add plugin stub to runtime ([#​73](https://togithub.com/node-red/node-red-node-test-helper/issues/73)) [@​joepavitt](https://togithub.com/joepavitt) - Use compatible versions rather than specific version of dependencies ([#​70](https://togithub.com/node-red/node-red-node-test-helper/issues/70)) [@​Pezmc](https://togithub.com/Pezmc) ### [`v0.3.2`](https://togithub.com/node-red/node-red-node-test-helper/blob/HEAD/CHANGELOG.md#032) [Compare Source](https://togithub.com/node-red/node-red-node-test-helper/compare/0.3.1...0.3.2) - Fix async module loading ([#​65](https://togithub.com/node-red/node-red-node-test-helper/issues/65)) [@​knolleary](https://togithub.com/knolleary) - Update README.md ([#​61](https://togithub.com/node-red/node-red-node-test-helper/issues/61)) [@​andreasmarkussen](https://togithub.com/andreasmarkussen) ### [`v0.3.1`](https://togithub.com/node-red/node-red-node-test-helper/blob/HEAD/CHANGELOG.md#031) [Compare Source](https://togithub.com/node-red/node-red-node-test-helper/compare/0.3.0...0.3.1) - Add support for async node modules ([#​63](https://togithub.com/node-red/node-red-node-test-helper/issues/63)) [@​knolleary](https://togithub.com/knolleary) ### [`v0.3.0`](https://togithub.com/node-red/node-red-node-test-helper/blob/HEAD/CHANGELOG.md#030) [Compare Source](https://togithub.com/node-red/node-red-node-test-helper/compare/0.2.7...0.3.0) - Require node.js >=14 - Add `setFlows` so that node being tested can modify flows ([#​54](https://togithub.com/node-red/node-red-node-test-helper/issues/54)) [@​Steve-Mcl](https://togithub.com/Steve-Mcl)

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