Update node-red requirement from ^2.1.4 to ^2.2.2

[dependabot[bot]]

Updates the requirements on node-red to permit the latest version.

Release notes

Sourced from node-red's releases.

2.2.2: Maintenance Release

Nodes

• Fix "close timed out" error when performing full deploy or modifying broker node. (#3451) @​Steve-Mcl

Changelog

Sourced from node-red's changelog.

2.2.2: Maintenance Release

Nodes

• Fix "close timed out" error when performing full deploy or modifying broker node. (#3451) @​Steve-Mcl

2.2.1: Maintenance Release

Editor

• Handle mixed-cased filter terms in keyboard shortcut dialog (#3444) @​knolleary
• Prevent duplicate links being added between nodes (#3442) @​knolleary
• Fix to hide tooltip after removing subflow tab (#3391) @​HiroyasuNishiyama
• Fix node validation to be applied to config node (#3397) @​HiroyasuNishiyama
• Fix: Dont add wires to undo buffer twice (#3437) @​Steve-Mcl

Runtime

• Improve module location parsing (of stack info) when adding hook (#3447) @​Steve-Mcl
• Fix substitution of NR_NODE_PATH (#3445) @​HiroyasuNishiyama
• Remove console.log when ignoring disabled module (#3439) @​knolleary
• Improve "Unexpected Node Error" logging (#3446) @​Steve-Mcl

Nodes

• Debug: Fix no-prototype-builtins bug in debug node and utils (#3394) @​Alkarex
• Delay: Fix Japanese message of delay node (#3434)
• Allow nbRateUnits to be undefined when validating (#3443) @​knolleary
• Coding help for recently added node-red Predefined Environment Variables (#3440) @​Steve-Mcl

2.2.0: Milestone Release

Editor

• Add editorTheme.tours property to default settings file (#3375) @​knolleary
• Remember Zoom level and Sidebar tab selection between sessions (#3361) @​knolleary
• Fix timing issue when merging background changes fixes #3364 (#3373) @​Steve-Mcl
• Use a nodes palette label in help tree (#3372) @​Steve-Mcl
• Subflow: Add labels to OUTPUT nodes (#3352) @​ralphwetzel
• Fix vertical align subflow port (#3370) @​knolleary
• Make actions list i18n ready and Japanese translation (#3359) @​HiroyasuNishiyama
• Update tour for 2.2.0 (#3378) @​knolleary
• Include paletteLabel when building search index (#3380) @​Steve-Mcl
• Fix opening/closing subflow template not to make subflow changed (#3382) @​HiroyasuNishiyama
• Add Japanese translations for v2.2.0 (#3353, #3381) @​kazuhitoyokoi

Runtime

... (truncated)

Commits

• 5f0ea85 Bump for 2.2.2
• 6c7c120 Merge pull request #3451 from Steve-Mcl/fix-mqtt-close-timeout
• 669aa76 Fix close timeout on MQTT nodes
• fcf2994 Bump for 2.2.1
• bee21dd Update dependencies
• 263e68e Merge pull request #3447 from Steve-Mcl/fix-hook-module-location
• 2b958f5 Improve module location parsing when adding hook
• 95f7177 Merge pull request #3445 from node-red-hitachi/fix-path-substitution
• 006324b Merge pull request #3446 from Steve-Mcl/better-bad-node-err-log
• efd8c12 improve "Unexpected Node Error" logging
• Additional commits viewable in compare view

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[dependabot[bot]]

Looks like node-red is up-to-date now, so this is no longer needed.