⬆️ Update node-red to v3.1.8

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
node-red (source)	3.1.7 -> 3.1.8

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Release Notes

node-red/node-red (node-red)

### [`v3.1.8`](https://togithub.com/node-red/node-red/blob/HEAD/CHANGELOG.md#318-Maintenance-Release) [Compare Source](https://togithub.com/node-red/node-red/compare/3.1.7...3.1.8) - Add validation and error handling on subflow instance properties ([#​4632](https://togithub.com/node-red/node-red/issues/4632)) [@​knolleary](https://togithub.com/knolleary) - Hide import/export context menu if disabled in theme ([#​4633](https://togithub.com/node-red/node-red/issues/4633)) [@​knolleary](https://togithub.com/knolleary) - Show change indicator on subflow tabs ([#​4631](https://togithub.com/node-red/node-red/issues/4631)) [@​knolleary](https://togithub.com/knolleary) - Bump dependencies ([#​4630](https://togithub.com/node-red/node-red/issues/4630)) [@​knolleary](https://togithub.com/knolleary) - Reset workspace index when clearing nodes ([#​4619](https://togithub.com/node-red/node-red/issues/4619)) [@​knolleary](https://togithub.com/knolleary) - Remove typo in global config ([#​4613](https://togithub.com/node-red/node-red/issues/4613)) [@​kazuhitoyokoi](https://togithub.com/kazuhitoyokoi)

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