Update dependency immutable to v4.0.0-rc.14

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
immutable (source)	4.0.0-rc.12 -> 4.0.0-rc.14

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Release Notes

immutable-js/immutable-js

### [`v4.0.0-rc.14`](https://togithub.com/immutable-js/immutable-js/releases/v4.0.0-rc.14) [Compare Source](https://togithub.com/immutable-js/immutable-js/compare/v4.0.0-rc.12...v4.0.0-rc.14) - Fixes some TypeScript issues (Map constructor, update function, mapEntries) - Fix add zipall to orderedset - Improve documentation

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Configuration

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