build(deps): bump node-red from 3.1.7 to 3.1.8

[dependabot[bot]]

Bumps node-red from 3.1.7 to 3.1.8.

Release notes

Sourced from node-red's releases.

3.1.8: Maintenance Release

What's Changed

• Remove typo in global config by @​kazuhitoyokoi in node-red/node-red#4613
• Reset workspace index when clearing nodes by @​knolleary in node-red/node-red#4619
• Bump dependencies by @​knolleary in node-red/node-red#4630
• Show change indicator on subflow tabs by @​knolleary in node-red/node-red#4631
• Hide import/export context menu if disabled in theme by @​knolleary in node-red/node-red#4633
• Add validation and error handling on subflow instance properties by @​knolleary in node-red/node-red#4632
• Bump for 3.1.8 by @​knolleary in node-red/node-red#4636

Full Changelog: https://github.com/node-red/node-red/compare/3.1.7...3.1.8

Changelog

Sourced from node-red's changelog.

3.1.8: Maintenance Release

• Add validation and error handling on subflow instance properties (#4632) @​knolleary
• Hide import/export context menu if disabled in theme (#4633) @​knolleary
• Show change indicator on subflow tabs (#4631) @​knolleary
• Bump dependencies (#4630) @​knolleary
• Reset workspace index when clearing nodes (#4619) @​knolleary
• Remove typo in global config (#4613) @​kazuhitoyokoi

Commits

• ade4679 Merge pull request #4636 from node-red/rel318
• 410b938 Bump for 3.1.8
• 19dcc3a Merge pull request #4632 from node-red/4625-sf-env-err-handling
• 20d067c Merge pull request #4633 from node-red/4617-hide-library-context-options
• 9526566 Hide import/export context menu if disabled in theme
• 0b9dd82 Merge pull request #4631 from node-red/4626-subflow-change-notification
• 1921343 Add validation to subflow instance env properties
• 0146913 Handle malformed env var values and log errors
• 6738b95 Merge pull request #4630 from node-red/bump-express
• 6a8230e Show change icon on subflow tabs
• Additional commits viewable in compare view

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